Table of Contents Global Interferometry Market Research Report 2020, Forecast to 2025 1 Market Overview 1.1 Interferometry Definition 1.1.1 Analysis of Macroeconomic Indicators 1.1.2 Years Considered 1.2 Interferometry Segment by Type 1.2.1 Diffraction Grating Interferometers 1.2.2 Vertical Scanning or Coherence Probe Interferometers 1.2.3 White Light Scatter-plate Interferometers 1.3 Market Analysis by Application 1.3.1 Physics and Astronomy 1.3.2 Engineering and Applied Ccience 1.3.3 Biology and Medicine 1.3.4 Others 1.4 Overview of Global Interferometry Market 1.4.1 Global Interferometry Revenue (2015-2025) 1.4.2 Global Interferometry Production and Capacity (2015-2025) 1.4.3 North America Interferometry Status and Prospect (2015-2025) 1.4.4 Europe Interferometry Status and Prospect (2015-2025) 1.4.5 Japan Interferometry Status and Prospect (2014-2025) 1.4.6 China Interferometry Status and Prospect (2015-2025) 1.5 Market Dynamics 1.5.1 Market Opportunities 1.5.2 Market Risk 1.5.3 Market Driving Force 1.5.4 Porter's Five Forces Analysis 1.5.5 SWOT Analysis 1.6 Coronavirus Disease 2019 (Covid-19): Interferometry Industry Impact 1.6.1 How the Covid-19 is Affecting the Interferometry Industry 1.6.2 Interferometry Business Impact Assessment - Covid-19 1.6.3 Market Trends and Interferometry Potential Opportunities in the COVID-19 Landscape 1.6.4 Measures / Proposal against Covid-19 2 Global Interferometry Market Competition by Manufacturer 2.1 Global Interferometry Sales and Market Share by Manufacturer (2018-2020) 2.2 Global Interferometry Revenue and Market Share by Manufacturer (2018-2020) 2.3 Global Interferometry Industry Concentration Ratio (CR5 and HHI) 2.4 Top 5 Interferometry Manufacturer Market Share 2.5 Top 10 Interferometry Manufacturer Market Share 2.6 Date of Key Manufacturers Enter into Interferometry Market 2.7 Key Manufacturers Interferometry Product Offered 2.8 Mergers & Acquisitions Planning 3 Analysis of Interferometry Industry Key Manufacturers 3.1 Filmetrics 3.1.1 Company Details 3.1.2 Product Information 3.1.3 Filmetrics Interferometry Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.1.4 Main Business Overview 3.1.5 Filmetrics News 3.2 Lucideon 3.2.1 Company Details 3.2.2 Product Information 3.2.3 Lucideon Interferometry Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.2.4 Main Business Overview 3.2.5 Lucideon News 3.3 Nanoscience Instruments 3.3.1 Company Details 3.3.2 Product Information 3.3.3 Nanoscience Instruments Interferometry Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.3.4 Main Business Overview 3.3.5 Nanoscience Instruments News 3.4 Polytec 3.4.1 Company Details 3.4.2 Product Information 3.4.3 Polytec Interferometry Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.4.4 Main Business Overview 3.4.5 Polytec News 3.5 Carl Mahr 3.5.1 Company Details 3.5.2 Product Information 3.5.3 Carl Mahr Interferometry Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.5.4 Main Business Overview 3.5.5 Carl Mahr News 3.6 Schaefer 3.6.1 Company Details 3.6.2 Product Information 3.6.3 Schaefer Interferometry Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.6.4 Main Business Overview 3.6.5 Schaefer News 3.7 Lamtech Lasermesstechnik 3.7.1 Company Details 3.7.2 Product Information 3.7.3 Lamtech Lasermesstechnik Interferometry Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.7.4 Main Business Overview 3.7.5 Lamtech Lasermesstechnik News 3.8 NKT Photonics 3.8.1 Company Details 3.8.2 Product Information 3.8.3 NKT Photonics Interferometry Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.8.4 Main Business Overview 3.8.5 NKT Photonics News 3.9 Diffraction International Ltd. 3.9.1 Company Details 3.9.2 Product Information 3.9.3 Diffraction International Ltd. Interferometry Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.9.4 Main Business Overview 3.9.5 Diffraction International Ltd. News 3.10 Zygo Corporation 3.10.1 Company Details 3.10.2 Product Information 3.10.3 Zygo Corporation Interferometry Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.10.4 Main Business Overview 3.10.5 Zygo Corporation News 3.11 Keysight Technologies 3.11.1 Company Details 3.11.2 Product Information 3.11.3 Keysight Technologies Interferometry Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.11.4 Main Business Overview 3.11.5 Keysight Technologies News 3.12 Armstrong Optical Ltd. 3.12.1 Company Details 3.12.2 Product Information 3.12.3 Armstrong Optical Ltd. Interferometry Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.12.4 Main Business Overview 3.12.5 Armstrong Optical Ltd. News 3.13 SIOSMeßtechnikGmbH 3.13.1 Company Details 3.13.2 Product Information 3.13.3 SIOSMeßtechnikGmbH Interferometry Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.13.4 Main Business Overview 3.13.5 SIOSMeßtechnikGmbH News 3.14 Difrotec 3.14.1 Company Details 3.14.2 Product Information 3.14.3 Difrotec Interferometry Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.14.4 Main Business Overview 3.14.5 Difrotec News 3.15 Sensofar Metrology 3.15.1 Company Details 3.15.2 Product Information 3.15.3 Sensofar Metrology Interferometry Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.15.4 Main Business Overview 3.15.5 Sensofar Metrology News 3.16 New Age Instruments & Materials PVT. LTD. 3.16.1 Company Details 3.16.2 Product Information 3.16.3 New Age Instruments & Materials PVT. LTD. Interferometry Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.16.4 Main Business Overview 3.16.5 New Age Instruments & Materials PVT. LTD. News 3.17 Edmund Optics Inc. 3.17.1 Company Details 3.17.2 Product Information 3.17.3 Edmund Optics Inc. Interferometry Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.17.4 Main Business Overview 3.17.5 Edmund Optics Inc. News 3.18 Qioptiq 3.18.1 Company Details 3.18.2 Product Information 3.18.3 Qioptiq Interferometry Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.18.4 Main Business Overview 3.18.5 Qioptiq News 3.19 Cambridge Consultants Ltd 3.19.1 Company Details 3.19.2 Product Information 3.19.3 Cambridge Consultants Ltd Interferometry Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.19.4 Main Business Overview 3.19.5 Cambridge Consultants Ltd News 3.20 Holmarc Opto-Mechatronics P Ltd 3.20.1 Company Details 3.20.2 Product Information 3.20.3 Holmarc Opto-Mechatronics P Ltd Interferometry Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.20.4 Main Business Overview 3.20.5 Holmarc Opto-Mechatronics P Ltd News 4 Global Interferometry Market Size Categorized by Regions (2015-2020) 4.1 Global Interferometry Sales Market Share by Region 4.2 Global Interferometry Revenue Market Share by Region (2015-2019) 4.3 Global Interferometry Sales, Revenue, Price and Gross Margin (2015-2020) 4.4 North America Interferometry Market Size Detail 4.4.1 North America Interferometry Sales Growth Rate (2015-2020) 4.4.2 North America Interferometry Sales, Revenue, Price and Gross Margin (2015-2020) 4.5 Europe Interferometry Market Size Detail 4.5.1 Europe Interferometry Sales Growth Rate (2015-2020) 4.5.2 Europe Interferometry Sales, Revenue, Price and Gross Margin (2015-2020) 4.6 Japan Interferometry Market Size Detail 4.6.1 Japan Interferometry Sales Growth Rate (2015-2020) 4.6.2 Japan Interferometry Sales, Revenue, Price and Gross Margin (2015-2020) 4.7 China Interferometry Market Size Detail 4.7.1 China Interferometry Sales Growth Rate (2015-2020) 4.7.2 China Interferometry Sales, Revenue, Price and Gross Margin (2015-2020) 5 Global Interferometry Market Segment by Type 5.1 Global Interferometry Revenue, Sales and Market Share by Type (2015-2020) 5.1.1 Global Interferometry Sales and Market Share by Type (2015-2020) 5.1.2 Global Interferometry Revenue and Market Share by Type (2015-2020) 5.2 Diffraction Grating Interferometers Sales Growth Rate and Price 5.2.1 Global Diffraction Grating Interferometers Sales Growth Rate (2015-2020) 5.2.2 Global Diffraction Grating Interferometers Price (2015-2020) 5.3 Vertical Scanning or Coherence Probe Interferometers Sales Growth Rate and Price 5.3.1 Global Vertical Scanning or Coherence Probe Interferometers Sales Growth Rate (2015-2020) 5.3.2 Global Vertical Scanning or Coherence Probe Interferometers Price (2015-2020) 5.4 White Light Scatter-plate Interferometers Sales Growth Rate and Price 5.4.1 Global White Light Scatter-plate Interferometers Sales Growth Rate (2015-2020) 5.4.2 Global White Light Scatter-plate Interferometers Price (2015-2020) 6 Global Interferometry Market Segment by Application 6.1 Global Interferometry Sales Market Share by Application (2015-2020) 6.2 Physics and Astronomy Sales Growth Rate (2015-2020) 6.3 Engineering and Applied Ccience Sales Growth Rate (2015-2020) 6.4 Biology and Medicine Sales Growth Rate (2015-2020) 6.5 Others Sales Growth Rate (2015-2020) 7 Interferometry Related Market Analysis 7.1 Upstream Analysis 7.1.1 Macro Analysis of Upstream Markets 7.1.2 Key Players in Upstream Markets 7.1.3 Upstream Market Trend Analysis 7.1.4 Interferometry Manufacturing Cost Analysis 7.2 Downstream Market Analysis 7.2.1 Macro Analysis of Down Markets 7.2.2 Key Players in Down Markets 7.2.3 Downstream Market Trend Analysis 7.2.4 Sales Channel, Distributors, Traders and Dealers 8 Global Interferometry Market Forecast 8.1 Global Interferometry Sales, Revenue Forecast 8.1.1 Global Interferometry Sales Growth Rate Forecast (2020-2025) 8.1.2 Global Interferometry Revenue and Growth Rate Forecast (2020-2025) 8.1.3 Global Interferometry Price and Trend Forecast (2020-2025) 8.2 Global Interferometry Sales Forecast by Region (2020-2025) 8.2.1 North America Interferometry Sales, Revenue Forecast (2020-2025) 8.2.2 Europe Interferometry Sales, Revenue Forecast (2020-2025) 8.2.3 Japan Interferometry Production, Revenue Forecast (2020-2025) 8.2.4 China Interferometry Production, Revenue Forecast (2020-2025) 9 Research Findings and Conclusion 10 Appendix

List of Tables and Figures Figure Interferometry Picture Table Global Interferometry Sales by Type Figure Global Sales Market Share of Interferometry by Product Type in 2019 Table Breakdown of Interferometry by Company Type (Tier 1, Tier 2 and Tier 3) Figure Interferometry Market Share by Company Type (Tier 1, Tier 2 and Tier 3) Figure Diffraction Grating Interferometers Picture Figure Vertical Scanning or Coherence Probe Interferometers Picture Figure White Light Scatter-plate Interferometers Picture Table Global Interferometry Sales by Application Figure Global Interferometry Sales Market Share by Application in 2019 Figure Physics and Astronomy Picture Figure Engineering and Applied Ccience Picture Figure Biology and Medicine Picture Figure Others Picture Table Interferometry Market Size Comparison by Region (2019-2025) (K Units) & (Million US$) Figure Global Interferometry Revenue (Million US$) (2015-2025) Figure Global Interferometry Production (K Units) (2015-2025) Figure North America Interferometry Revenue (Million US$) Growth Rate (2015-2025) Figure Europe Interferometry Revenue (Million US$) Growth Rate (2015-2025) Figure Japan Interferometry Revenue (Million US$) Growth Rate (2014-2025) Figure China Interferometry Revenue (Million US$) Growth Rate (2015-2025) Table Market Opportunities in Next Few Years Table Market Risks Analysis Table Market Drivers Figure Porter's Five Forces Analysis Table SWOT Analysis Table Global Interferometry Sales by Manufacturer (2018-2020) Figure Global Interferometry Sales Market Share by Manufacturer in 2019 Table Global Interferometry Revenue by Manufacturer (2018-2020) Figure Global Interferometry Revenue Market Share by Manufacturer in 2019 Table Global Interferometry Manufacturers Market Concentration Ratio (CR5 and HHI) Figure Top 5 Interferometry Manufacturer (Revenue) Market Share in 2019 Figure Top 10 Interferometry Manufacturer (Revenue) Market Share in 2019 Table Date of Key Manufacturers Enter into Interferometry Market Table Key Manufacturers Interferometry Product Type Table Mergers & Acquisitions Planning Table Filmetrics Company Profile Figure Interferometry Product Picture and Specifications of Filmetrics Table Interferometry Production, Price, Revenue and Gross Margin of 2018-2020 Figure Filmetrics Interferometry Market Share (2018-2020) Table Filmetrics Main Business Table Filmetrics Recent Development Table Lucideon Company Profile Figure Interferometry Product Picture and Specifications of Lucideon Table Interferometry Production, Price, Revenue and Gross Margin of 2018-2020 Figure Lucideon Interferometry Market Share (2018-2020) Table Lucideon Main Business Table Lucideon Recent Development Table Nanoscience Instruments Company Profile Figure Interferometry Product Picture and Specifications of Nanoscience Instruments Table Interferometry Production, Price, Revenue and Gross Margin of 2018-2020 Figure Nanoscience Instruments Interferometry Market Share (2018-2020) Table Nanoscience Instruments Main Business Table Nanoscience Instruments Recent Development Table Polytec Company Profile Figure Interferometry Product Picture and Specifications of Polytec Table Interferometry Production, Price, Revenue and Gross Margin of 2018-2020 Figure Polytec Interferometry Market Share (2018-2020) Table Polytec Main Business Table Polytec Recent Development Table Carl Mahr Company Profile Figure Interferometry Product Picture and Specifications of Carl Mahr Table Interferometry Production, Price, Revenue and Gross Margin of 2018-2020 Figure Carl Mahr Interferometry Market Share (2018-2020) Table Carl Mahr Main Business Table Carl Mahr Recent Development Table Schaefer Company Profile Figure Interferometry Product Picture and Specifications of Schaefer Table Interferometry Production, Price, Revenue and Gross Margin of 2018-2020 Figure Schaefer Interferometry Market Share (2018-2020) Table Schaefer Main Business Table Schaefer Recent Development Table Lamtech Lasermesstechnik Company Profile Figure Interferometry Product Picture and Specifications of Lamtech Lasermesstechnik Table Interferometry Production, Price, Revenue and Gross Margin of 2018-2020 Figure Lamtech Lasermesstechnik Interferometry Market Share (2018-2020) Table Lamtech Lasermesstechnik Main Business Table Lamtech Lasermesstechnik Recent Development Table NKT Photonics Company Profile Figure Interferometry Product Picture and Specifications of NKT Photonics Table Interferometry Production, Price, Revenue and Gross Margin of 2018-2020 Figure NKT Photonics Interferometry Market Share (2018-2020) Table NKT Photonics Main Business Table NKT Photonics Recent Development Table Diffraction International Ltd. Company Profile Figure Interferometry Product Picture and Specifications of Diffraction International Ltd. Table Interferometry Production, Price, Revenue and Gross Margin of 2018-2020 Figure Diffraction International Ltd. Interferometry Market Share (2018-2020) Table Diffraction International Ltd. Main Business Table Diffraction International Ltd. Recent Development Table Zygo Corporation Company Profile Figure Interferometry Product Picture and Specifications of Zygo Corporation Table Interferometry Production, Price, Revenue and Gross Margin of 2018-2020 Figure Zygo Corporation Interferometry Market Share (2018-2020) Table Zygo Corporation Main Business Table Zygo Corporation Recent Development Table Keysight Technologies Company Profile Figure Interferometry Product Picture and Specifications of Keysight Technologies Table Interferometry Production, Price, Revenue and Gross Margin of 2018-2020 Figure Keysight Technologies Interferometry Market Share (2018-2020) Table Keysight Technologies Main Business Table Keysight Technologies Recent Development Table Armstrong Optical Ltd. Company Profile Figure Interferometry Product Picture and Specifications of Armstrong Optical Ltd. Table Interferometry Production, Price, Revenue and Gross Margin of 2018-2020 Figure Armstrong Optical Ltd. Interferometry Market Share (2018-2020) Table Armstrong Optical Ltd. Main Business Table Armstrong Optical Ltd. Recent Development Table SIOSMeßtechnikGmbH Company Profile Figure Interferometry Product Picture and Specifications of SIOSMeßtechnikGmbH Table Interferometry Production, Price, Revenue and Gross Margin of 2018-2020 Figure SIOSMeßtechnikGmbH Interferometry Market Share (2018-2020) Table SIOSMeßtechnikGmbH Main Business Table SIOSMeßtechnikGmbH Recent Development Table Difrotec Company Profile Figure Interferometry Product Picture and Specifications of Difrotec Table Interferometry Production, Price, Revenue and Gross Margin of 2018-2020 Figure Difrotec Interferometry Market Share (2018-2020) Table Difrotec Main Business Table Difrotec Recent Development Table Sensofar Metrology Company Profile Figure Interferometry Product Picture and Specifications of Sensofar Metrology Table Interferometry Production, Price, Revenue and Gross Margin of 2018-2020 Figure Sensofar Metrology Interferometry Market Share (2018-2020) Table Sensofar Metrology Main Business Table Sensofar Metrology Recent Development Table New Age Instruments & Materials PVT. LTD. Company Profile Figure Interferometry Product Picture and Specifications of New Age Instruments & Materials PVT. LTD. Table Interferometry Production, Price, Revenue and Gross Margin of 2018-2020 Figure New Age Instruments & Materials PVT. LTD. Interferometry Market Share (2018-2020) Table New Age Instruments & Materials PVT. LTD. Main Business Table New Age Instruments & Materials PVT. LTD. Recent Development Table Edmund Optics Inc. Company Profile Figure Interferometry Product Picture and Specifications of Edmund Optics Inc. Table Interferometry Production, Price, Revenue and Gross Margin of 2018-2020 Figure Edmund Optics Inc. Interferometry Market Share (2018-2020) Table Edmund Optics Inc. Main Business Table Edmund Optics Inc. Recent Development Table Qioptiq Company Profile Figure Interferometry Product Picture and Specifications of Qioptiq Table Interferometry Production, Price, Revenue and Gross Margin of 2018-2020 Figure Qioptiq Interferometry Market Share (2018-2020) Table Qioptiq Main Business Table Qioptiq Recent Development Table Cambridge Consultants Ltd Company Profile Figure Interferometry Product Picture and Specifications of Cambridge Consultants Ltd Table Interferometry Production, Price, Revenue and Gross Margin of 2018-2020 Figure Cambridge Consultants Ltd Interferometry Market Share (2018-2020) Table Cambridge Consultants Ltd Main Business Table Cambridge Consultants Ltd Recent Development Table Holmarc Opto-Mechatronics P Ltd Company Profile Figure Interferometry Product Picture and Specifications of Holmarc Opto-Mechatronics P Ltd Table Interferometry Production, Price, Revenue and Gross Margin of 2018-2020 Figure Holmarc Opto-Mechatronics P Ltd Interferometry Market Share (2018-2020) Table Holmarc Opto-Mechatronics P Ltd Main Business Table Holmarc Opto-Mechatronics P Ltd Recent Development Table Global Interferometry Sales (K Units) by Region (2015-2020) Table Global Interferometry Sales Market Share by Region (2015-2019) Figure Global Interferometry Sales Market Share by Region (2015-2019) Figure Global Interferometry Sales Market Share by Region in 2018 Table Global Interferometry Revenue (Million US$) by Region (2015-2020) Table Global Interferometry Revenue Market Share by Region (2015-2020) Figure Global Interferometry Revenue Market Share by Region (2015-2020) Figure Global Interferometry Revenue Market Share by Region in 2019 Table Global Interferometry Sales (K Units), Revenue (Million US$), Price (USD/Unit) and Gross Margin (2015-2020) Figure North America Interferometry Sales (K Units) Growth Rate (2015-2020) Figure Europe Interferometry Sales (K Units) Growth Rate (2015-2020) Table Europe Interferometry Sales (K Units), Revenue (Million US$), Price (USD/Unit) and Gross Margin (2015-2020) Figure Japan Interferometry Sales (K Units) Growth Rate (2015-2020) Table Japan Interferometry Sales (K Units), Revenue (Million US$), Price (USD/Unit) and Gross Margin (2015-2020) Figure China Interferometry Sales (K Units) Growth Rate (2015-2020) Table China Interferometry Sales (K Units), Revenue (Million US$), Price (USD/Unit) and Gross Margin (2015-2020) Table Global Interferometry Sales by Type (2015-2020) Table Global Interferometry Sales Market Share by Type (2015-2020) Figure Global Interferometry Sales Market Share by Type in 2019 Table Global Interferometry Revenue by Type (2015-2020) Table Global Interferometry Revenue Market Share by Type (2015-2020) Figure Global Interferometry Revenue Market Share by Type in 2019 Figure Global Diffraction Grating Interferometers Sales Growth Rate (2015-2025) Figure Global Diffraction Grating Interferometers Price (2015-2020) Figure Global Vertical Scanning or Coherence Probe Interferometers Sales Growth Rate (2015-2025) Figure Global Vertical Scanning or Coherence Probe Interferometers Price (2015-2020) Figure Global White Light Scatter-plate Interferometers Sales Growth Rate (2015-2025) Figure Global White Light Scatter-plate Interferometers Price (2015-2020) Table Global Interferometry Sales Market Share by Application (2015-2020) Figure Global Interferometry Sales Market Share by Application in 2019 Figure Global Physics and Astronomy Sales Growth Rate (2015-2025) Figure Global Engineering and Applied Ccience Sales Growth Rate (2015-2025) Figure Global Biology and Medicine Sales Growth Rate (2015-2025) Figure Global Others Sales Growth Rate (2015-2025) Table Key Players of Upstream Markets Table Key Raw Materials Figure Price Trend of Key Raw Materials Table Key Suppliers of Raw Materials Figure Manufacturing Cost Structure of Interferometry Table Key Players of Downstream Markets Figure Sales Channel Figure Global Interferometry Production (K Units) Growth Rate Forecast (2020-2025) Figure Global Interferometry Revenue (Million US$) Growth Rate Forecast (2020-2025) Figure Global Interferometry Price and Trend Forecast (2020-2025) Table Global Interferometry Sales (K Units) Forecast by Region (2020-2025) Figure Global Interferometry Production Market Share Forecast by Region (2020-2025) Figure North America Interferometry Sales (K Units) Growth Rate Forecast (2020-2025) Figure North America Interferometry Revenue (Million US$) Growth Rate Forecast (2020-2025) Figure Europe Interferometry Sales (K Units) Growth Rate Forecast (2020-2025) Figure Europe Interferometry Revenue (Million US$) Growth Rate Forecast (2020-2025) Figure Japan Interferometry Production (K Units) Growth Rate Forecast (2020-2025) Figure Japan Interferometry Revenue (Million US$) Growth Rate Forecast (2020-2025) Figure China Interferometry Production (K Units) Growth Rate Forecast (2020-2025) Figure China Interferometry Revenue (Million US$) Growth Rate Forecast (2020-2025) Figure Methodology/Research Approach Figure Market Size Estimation Figure Author List

Filmetrics Lucideon Nanoscience Instruments Polytec Carl Mahr Schaefer Lamtech Lasermesstechnik NKT Photonics Diffraction International Ltd. Zygo Corporation Keysight Technologies Armstrong Optical Ltd. SIOSMeßtechnikGmbH Difrotec Sensofar Metrology New Age Instruments & Materials PVT. LTD. Edmund Optics Inc. Qioptiq