GB/T 41869.2-2022 English PDF

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GB/T 41869.2-2022: Optics and photonics - Microlens array - Part 2: Test methods for wavefront aberrations
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Basic data

Standard ID: GB/T 41869.2-2022 (GB/T41869.2-2022)
Description (Translated English): Optics and photonics - Microlens array - Part 2: Test methods for wavefront aberrations
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: L51
Classification of International Standard: 31.260
Word Count Estimation: 18,163
Date of Issue: 2022-10-14
Date of Implementation: 2023-05-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 41869.2-2022: Optics and photonics - Microlens array - Part 2: Test methods for wavefront aberrations

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Optics and photonics -- Microlens array -- Part 2.Test methods for wavefront aberrations ICS 31.260 CCSL51 National Standards of People's Republic of China Optical and Photonics Microlens Arrays Part 2.Test methods for wavefront aberrations (ISO 14880-2.2006, MOD) Published on 2022-10-12 2023-05-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface I Introduction II 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Test equipment and equipment 2 4.1 Overview 2 4.2 Lighting source 2 4.3 Standard Lens 2 4.4 Collimator 2 4.5 Beam Reduction Optical System 2 4.6 Aperture diaphragm 2 5 Preparation before the test 3 6 Test principle and procedure 3 6.1 Choice of test method 3 6.2 Interferometry 3 6.3 Shack-Hartmann wavefront sensor measurement method 6 7 Test results8 Appendix A (Informative) Transverse Shear Interferometry 9 A.1 Test setup and test equipment 9 A.2 Test Principles and Procedures 9 Appendix B (Informative) Microlens Array Consistency Measurement Method 12 B.1 Test setup and test equipment 12 B.2 Test Principles and Procedures 12 B.3 Simultaneous Measurement of Microlens Array Wave Aberration 13 Reference 14

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" drafted. This document is part 2 of GB/T 41869 "Optics and Photonics Microlens Arrays". GB/T 41869 has issued the following part. --- Part 1.Terminology; --- Part 2.Test methods for wavefront aberrations. This document is modified from ISO 14880-2.2006 "Optics and Photonics Microlens Arrays - Part 2.Testing of Wavefront Aberrations" method". Compared with ISO 14880-2.2006, this document has made the following structural adjustments. --- Chapter 3 corresponds to Chapters 3 and 4 in ISO 14880-2.2006; --- Chapter 4 corresponds to Chapter 5 in ISO 14880-2.2006; --- Chapter 5 corresponds to 7.3 and 7.4 in ISO 14880-2.2006; --- Chapter 6 corresponds to the parts of Chapter 6, Chapter 8, Appendix A, Appendix B, Appendix D and Appendix E in ISO 14880-2.2006 Contents, of which 6.1 corresponds to Chapter 6, Chapter 8 of ISO 14880-2.2006 and the Microlens Array Measurement of Normative Appendix A Quantity requirements, 6.2.2.1 corresponds to the two methods of Mach-Zehnder interferometry in Normative Appendix B of ISO 14880-2.2006, 6.2.2.2 corresponds to the Taiman-Green microlens array measurement method in normative annex E in ISO 14880-2.2006, and 6.3 corresponds to Normative Annex D of the Shack-Hartmann wavefront sensor measurement method in ISO 14880-2.2006; ---Chapter 7 corresponds to Chapters 9~11 in ISO 14880-2.2006, of which 7.1.1~7.1.3 correspond to ISO 14880-2.2006 Chapter 9, 7.1.4 corresponds to Chapter 10 in ISO 14880-2.2006, 7.1.5 corresponds to ISO 14880-2.2006 Chapter 11. The technical differences between this document and ISO 14880-2.2006 and their reasons are as follows. a) The abbreviated terms and symbols of Θ in Table 1 of ISO 14880-2.2006 are deleted, and this parameter does not appear in the full text, so it is deleted; b) Deleted the reference document ISO 14880-1 of the introductory phrase of ISO 14880-2.2006 "Terms and Definitions", and changed the symbols in Table 1 to Included in Chapter 3 in the form of terms and definitions; c) Adjust the note in 5.2 of ISO 14880-2.2006 to the provisions [see 4.2d), 4.2e)] to adapt to the technical conditions of our country; d) The relevant contents of 7.1 and 7.2 in ISO 14880-2.2006 have been deleted. The procedures for the microlens array and the microlens unit are the same, only a few Depending on the processing method; e) Deleted the test results example Figure B.3, Figure B.4, Figure B.5 and Figure B.6 in Annex B of ISO 14880-2.2006, because the test The example graph of the results is special, so it is deleted to enhance the generality of the standard; f) Changed the nature of normative appendix C and appendix F of ISO 14880-2.2006, and changed them to informative appendix (see appendix A, appendix F) B), in order to adapt to the technical conditions of our country. Certain contents of this document may involve patents, and the issuing authority of this document does not undertake the responsibility to identify patents. This document is proposed by China Machinery Industry Federation. This document is under the jurisdiction of the National Optical and Photonics Standardization Technical Committee (SAC/TC103). This document was drafted by. China Ordnance Industry Standardization Institute, University of Electronic Science and Technology of China, Chongqing Green Intelligent Technology Research, Chinese Academy of Sciences Institute, Nanjing Medtech Optical Co., Ltd., Xi'an Xigu Microelectronics Co., Ltd., Zhejiang Weixing Optical Co., Ltd., Shanghai Ruilike Information Technology Co., Ltd. The main drafters of this document. Meng Fanping, Zhu Yi, Li Bincheng, Zhang Weiguo, Jiang Xumu, Wang Jinyu, Yang Hongjie, Wang Song, Wang Yao.

Introduction

Microlens array is an important optical element in array optics, in the form of a single lens, two or more lens arrays, a wide range of Widely used in three-dimensional displays, coupling optics associated with arrayed optical radiation sources and photodetectors, intensified liquid crystal displays, and optical parallel processor elements. With the continuous advancement of science and technology, it is necessary to formulate a set of national standards whose technical content is in line with international standards, which is conducive to promoting my country's microlens array It can promote the orderly development of industry norms, and can better promote trade, exchanges and technical cooperation in related fields. GB/T 41869 "Optics and Photonics It is against this background that "Microlens Array" is drafted and formulated, and the standard for microlens array is to be composed of the following parts. --- Part 1.Terminology. The purpose is to promote the application of microlens array products by defining the basic terms of microlenses and their arrays. It is helpful for scientific research and industry practitioners to exchange concepts on the basis of common understanding. --- Part 2.Test methods for wavefront aberrations. The purpose is to clarify the basic principle of microlens by standardizing the test method of wavefront aberration. performance characteristics. --- Part 3.Test methods for optical properties. The purpose is to provide the supplier with the test method to determine the important indicators of optical characteristics. Provide the basis for product delivery. --- Part 4.Test methods for geometric properties. The purpose is to provide the supplier with the test method to determine the important indicators of geometric characteristics. Provide the basis for product delivery. Optical and Photonics Microlens Arrays Part 2.Test methods for wavefront aberrations

1 Scope

This document describes the test device and equipment, preparation, test principle and test for the wavefront aberration test of the microlens in the microlens array programs, etc. This document applies to microlens arrays consisting of very small lenses formed on the interior of a common substrate or on one or more surfaces. Wavefront aberration test.

2 Normative references

There are no normative references in this document.

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 wavefront aberration Deviation of a wavefront from an ideal spherical or other wavefront. Note. Wavefront aberration is measured in wavelength. 3.2 ϕp-v The peak-to-valley deviation of a wavefront from an ideal spherical or other wavefront. Note. The peak-to-valley value of wavefront aberration is measured in wavelength. 3.3 ϕrms The rms value of the deviation of the wavefront from an ideal spherical wavefront or other wavefront. Note. The root mean square value of wavefront aberration is measured in wavelength. [Source. GB/T 41869.1-2022, 3.2.4] 3.4 wavelength wavelength The distance a wave travels in one vibration period. Note. The unit of wavelength is micrometer (μm). ......

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