GB/T 42403-2023 English PDF

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GB/T 42403-2023: Lasers and laser-related equipment - Test methods for the spectral characteristics of lasers
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Basic data

Standard ID: GB/T 42403-2023 (GB/T42403-2023)
Description (Translated English): Lasers and laser-related equipment - Test methods for the spectral characteristics of lasers
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: L51
Classification of International Standard: 31.260
Word Count Estimation: 25,219
Date of Issue: 2023-03-17
Date of Implementation: 2023-10-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42403-2023: Lasers and laser-related equipment - Test methods for the spectral characteristics of lasers

---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.
ICS31:260 CCSL51 National Standards of People's Republic of China Lasers and laser-related equipment Measurement method of laser spectral characteristics Lasers and laser-related equipment- (ISO 13695:2004, Opticsandphotonics-Lasersandlaser-relatedequipment- Released on 2023-03-17 2023-10-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee

table of contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Symbols and abbreviations6 5 Measurement of wavelength and bandwidth 7 5:1 Test preparation 7 5:2 Low resolution measurement 10 5:3 High-resolution measurement 11 6 Measurement of wavelength stability 13 6:1 Correlation between wavelength and working conditions 13 6:2 Wavelength Stability of Single-Frequency Lasers 13 7 Test report 13 Appendix A (Informative) Refractive Index of Air 16 Appendix B (informative) Selection criteria for grating monochromator and its accessories---calibration 17 Appendix C (Informative) Selection Criteria for Fabry-Perot Interferometers 19 Reference 20

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 for Standardization Documents" drafting: This document is modified to adopt ISO 13695:2004 "Measurement of laser spectral characteristics of optical and photonic lasers and laser related equipment method": Compared with ISO 13695:2004, this document has made the following structural adjustments: ---Chapter 5 of ISO 13695:2004 has been deleted, and Chapters 6 to 8 of ISO 13695:2004 correspond to Chapter 5 of this document~ Chapter 7; ---6:1~6:4 of ISO 13695:2004 are merged into 5:1 of this document, and 6:5 and 6:6 of ISO 13695:2004 respectively correspond to this document 5:2, 5:3 of the document: The technical differences between this document and ISO 13695:2004 and their reasons are as follows: --- Replaced ISO 11145 with the normatively quoted GB/T 15313 to adapt to my country's technical conditions and increase operability (see Chapter 3); --- Replaced the "Guidelines for the Expression of Uncertainty in Measurement" (GUM) with the normative reference GB/T 27418 to adapt to my country's technology Conditions, increasing operability (see Chapter 3); --- Changed the definition and symbols of the spectral bandwidth, and changed the corresponding symbols in Table 1 to adapt to the actual scope of use in my country (see 3:11, Table 1): The following editorial changes have been made to this document: ---The name of the standard was changed to "Measurement Method of Laser Spectral Characteristics of Lasers and Laser-related Equipment"; --- Use ν instead of f, and νav instead of fav to adapt to industry habits, and use ν to represent the frequency of light radiation (see 3:1, 3:8); --- Increase the permissible term "spectral radiant power [energy] distribution" to adapt to the domestic industry terminology usage habits (see 3:4); --- Added Note 1 and Note 2 in the definition of "spectral bandwidth" to adapt to the actual scope of use in my country (see 3:11); --- Increased table title (see Table 1); ---The title was changed from "measurement in air" to "method for determining the refractive index of air when measuring in air", which is more in line with the actual content of this article content (see 5:1:5); --- Replace λvac with λ0, consistent with the symbols specified in 3:1 (see 5:3:5); ---Changed the calculation value of f, because the original calculation result is wrong (see A:1); ---Changed the formula of resolving power Rtk, because the formula in the original text is wrong (see B:1:2); --- Changed the subscript of RT1, because the layout of the original text is unreasonable (see B:1:3 and B:1:5): Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed by China Machinery Industry Federation: This document is under the jurisdiction of the National Standardization Technical Committee of Optics and Photonics (SAC/TC103): This document is drafted by: Southwest Institute of Technical Physics, China Ordnance Industry Standardization Institute, Shenzhen Xinghan Laser Technology Co:, Ltd: Co:, Ltd:, University of Electronic Science and Technology of China, Wuhan Anyang Laser Technology Co:, Ltd:, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Fujian Hai Chuang Optoelectronics Technology Co:, Ltd:, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Bodu Optoelectronics Technology (Suzhou) Co:, Ltd:, Zhuhai Optical Library Technology Co:, Ltd: The main drafters of this document: Ye Dahua, He Yehuan, Li Bin, Du Mengying, Zhou Shaofeng, Li Bincheng, Chen Kangkang, Feng Suya, Zhang Shaofeng, Li Gang, Meng Fanping, Wang Yao, Deng Jianqin: Lasers and laser-related equipment Measurement method of laser spectral characteristics

1 Scope

This document describes methods for measuring spectral properties of laser beams such as wavelength, bandwidth and wavelength stability: This document applies to the measurement of the spectral properties of continuous and pulsed laser beams:

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document: GB/T 15313 Laser Terminology (GB/T 15313-2008, ISO 11145:2006, MOD) GB/T 27418 Evaluation and Expression of Measurement Uncertainty (GB/T 27418-2017, ISO /IEC Guide98-3:2008, MOD)

3 Terms and Definitions

The following terms and definitions defined in GB/T 15313 and GB/T 27418 apply to this document: 3:1 wavelength in a vacuum wavelengthinvacuum λ0 The wavelength at which optical radiation travels in a vacuum: Note: For optical radiation with frequency ν, the wavelength in vacuum λ0=c/ν, where c=299792458m/s: 3:2 wavelength in the air wavelengthinair lambda air The relationship between the wavelength of light radiation propagating in air and the wavelength in vacuum is shown in formula (1): λair=λ0/nair (1) In the formula: nair---refractive index of air (see 5:1:5): NOTE: The characteristics of the ambient atmosphere, such as humidity, pressure, temperature and composition all affect nair: Therefore, the wavelength in vacuum is given in the test report, or in standard atmosphere The medium wavelength is better: Using the formula given in 5:1:5, the wavelength in vacuum and the standard atmosphere can be calculated from λair and nair: 3:3 λstd The relationship between the wavelength of light radiation propagating in dry air (0% humidity) under standard conditions and the wavelength in vacuum is shown in formula (2): λstd=λ0/nstd (2) In the formula: nstd --- The refractive index of air under standard conditions (see 5:1:5): ......

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