Standard Briefing:Stadard ID: GB/T 22452-2025
Stadard Title: General specification of non-linear optical borate crystal devices
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| GB/T 22452-2025 | English | 459 |
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General specification of non-linear optical borate crystal devices
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GB/T 22452-2025
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| GB/T 22452-2008 | English | 189 |
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General technical condition of non-linear optical borate crystal devices
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GB/T 22452-2008
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Basic Data: | Standard ID | GB/T 22452-2025 (GB/T22452-2025) | | Description (Translated English) | General specification of non-linear optical borate crystal devices | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | L51 | | Classification of International Standard | 31.260 | | Word Count Estimation | 22,275 | | Date of Issue | 2025-04-25 | | Date of Implementation | 2025-08-01 | | Older Standard (superseded by this standard) | GB/T 22452-2008 | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Administration | GB/T 22452-2025: General specification of non-linear optical borate crystal devices---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.
ICS 31.260
CCSL51
National Standard of the People's Republic of China
Replaces GB/T 22452-2008
General specification for borate nonlinear optical single crystal components
Released on 2025-04-25
2025-08-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of contents
Preface V
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Test Conditions 2
4.1 Environmental conditions 2
4.2 Test instruments and measurement requirements 2
4.3 Laser safety requirements 2
5 Technical Requirements 2
5.1 Laser performance 2
5.1.1 Second Harmonic Generation (SHG) Operating Wavelength 2
5.1.2 Critical phase matching angle of SHG at a specific wavelength 2
5.1.3 Frequency Conversion Efficiency 4
5.1.4 Absorption rate at specific wavelength 4
5.1.5 Optical uniformity 4
5.1.6 Wavefront distortion 4
5.1.7 Effective aperture 4
5.1.8 Anti-reflection coating residual reflectivity 5
5.1.9 Laser damage threshold 5
5.1.10 Transmittance wavelength range 5
5.1.11 Scattering Point 5
5.2 Processing performance 5
5.2.1 Dimensional tolerance 5
5.2.2 Cutting angle deviation 6
5.2.3 Surface Deviation 6
5.2.4 Parallelism 6
5.2.5 Side verticality 6
5.2.6 Surface roughness 6
5.2.7 Collapse of edges, cracks and fractures 6
5.2.8 Chamfer 6
5.2.9 Surface defects 6
5.2.10 Film firmness 7
5.2.11 Anti-friction performance of the film 7
5.3 Environmental adaptability test requirements 7
5.3.1 High humidity resistance of the film layer 7
5.3.2 Thermal shock resistance of the film layer 7
6 Test Methods 7
6.1 Laser performance 7
6.1.1 SHG operating wavelength 7
6.1.2 Critical phase matching angle of SHG at a specific wavelength 7
6.1.3 Frequency doubling conversion efficiency 7
6.1.4 Absorption rate at specific wavelength 8
6.1.5 Optical uniformity 8
6.1.6 Wavefront distortion 8
6.1.7 Effective aperture 8
6.1.8 Anti-reflection coating residual reflectivity 8
6.1.9 Laser damage threshold 8
6.1.10 Transmittance wavelength range 8
6.1.11 Scattering Points 8
6.2 Processing performance 8
6.2.1 Dimensional tolerance 8
6.2.2 Cutting angle deviation 8
6.2.3 Surface Deviation 9
6.2.4 Parallelism 9
6.2.5 Side verticality 9
6.2.6 Surface roughness 9
6.2.7 Collapse of edges, cracks and fractures 10
6.2.8 Chamfer 10
6.2.9 Surface defects 10
6.2.10 Film firmness 10
6.2.11 Anti-friction performance of the film 10
6.3 Environmental adaptability test method 10
6.3.1 High humidity resistance of the film layer 10
6.3.2 Thermal shock resistance of the film layer 10
7 Inspection Rules 10
7.1 Inspection categories 10
7.2 Factory Inspection 11
7.3 Type inspection 12
7.3.1 Test items 12
7.3.2 Batch composition 12
7.3.3 Sampling 12
7.3.4 Type inspection timing 12
7.4 Qualification determination 12
8 Marking, packaging, transportation and storage 12
8.1 Packaging 12
8.1.1 Using elastic film box packaging 12
8.1.2 Packing List12
8.2 Sign 13
8.3 Transportation13
8.4 Storage 13
Figure 1 LBOSHG critical phase matching angle reference diagram 3
Figure 2 BBOSHG critical phase matching angle reference diagram 3
Figure 3 Schematic diagram of single crystal component dimensioning 6
Table 1 Frequency doubling conversion efficiency requirements for specific wavelengths of single crystal components 4
Table 2 Absorption requirements of single crystal components at specific wavelengths under high power 4
Table 3 Absorption requirements of single crystal components at specific wavelengths under normal power 4
Table 4 Requirements for residual reflectivity of anti-reflection coatings for single crystal components 5
Table 5 Requirements for laser damage threshold of single crystal components 5
Table 6 Requirements for surface defects of single crystal components 7
Table 7 Inspection Items 10
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 replaces GB/T 22452-2008 "General Technical Requirements for Borate Nonlinear Optical Single Crystal Components" and GB/T 22452-
Compared with.2008, in addition to structural adjustments and editorial changes, the main technical changes are as follows.
--- Changed the terms and definitions (see Chapter 3, Chapter 3 of the.2008 edition);
--- Deleted product classification (see Chapter 4 of the.2008 edition);
--- Added test conditions (see Chapter 4);
--- Changed the technical requirements (see Chapter 5, Chapter 5 of the.2008 edition);
--- Added SHG operating wavelength, specific wavelength SHG critical phase matching angle, specific wavelength absorptivity, film firmness, film layer
High humidity resistance, temperature shock resistance of the film layer, friction resistance of the film layer, surface roughness, edge collapse, cracking, chamfering, etc.
The content of the indicator (see Chapter 5);
--- Increased film firmness, film resistance to high humidity, film resistance to temperature shock, and film resistance to friction (see Section 6
chapter);
--- Added inspection categories and inspection items (see Chapter 7).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China Machinery Industry Federation.
This document is under the jurisdiction of the National Technical Committee on Optical Radiation Safety and Laser Equipment Standardization (SAC/TC284).
This document was drafted by. Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Mindu Innovation Laboratory, Fujian Fujing Technology Co., Ltd.,
The Institute of Aerospace Information Innovation of the Chinese Academy of Sciences, the 26th Institute of China Electronics Technology Group Corporation, and the Jiangxi Provincial Inspection, Testing and Certification Institute
Industry Product Inspection and Testing Institute, Beijing Leishengqiang Technology Co., Ltd., Chengdu Dongjun Laser Co., Ltd., China Electronics Technology Group
The 11th Research Institute of the Company, the 209th Research Institute of China Ordnance Industry, Han's Laser Technology Industry Group Co., Ltd., China Metrology
University.
The main drafters of this document are. Wang Shuaihua, Zheng Yi, Huang Xin, Zheng Fakun, Wu Shaofan, Ma Yunfeng, Zhang Xing, Chen Wei, Ding Yuchong, He Tongbin, Zhang Ge,
Zhu Jianhui, Zhou Shibin, Sun Yutong, Guo Li, Jia Kai, Qin Laishun, Li Bingxuan, Chen Min, Luo Xingmu, Chai Xiandan.
The previous versions of this document and the documents it replaces are as follows.
---First published in.2008 as GB/T 22452-2008;
---This is the first revision.
General specification for borate nonlinear optical single crystal components
1 Scope
This document defines borate nonlinear optical single crystal components β-phase barium borate (β-BaB2O4, referred to as BBO) and lithium triborate
The terminology and definition of LiB3O5 (LBO) specifies the technical requirements, inspection rules, packaging, marking, transportation, storage, and describes the corresponding
Test method.
This document applies to the development, production, inspection and sales of borate nonlinear optical single crystal elements BBO and LBO.
Single crystal components shall be implemented for reference.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 2831-2009 Surface deviation of optical parts
GB/T 7247.1 Safety of laser products Part 1.Equipment classification and requirements
GB/T 7962.2 Test methods for colorless optical glass Part 2.Optical homogeneity Fizeau plane interferometry
GB/T 11293 Terminology of solid laser materials
GB/T 11297.1 Measurement method of wavefront distortion of laser rods
GB/T 15313 Laser Terminology
GB/T 16601.4 Laser damage threshold test method for lasers and laser-related equipment Part 4.Inspection, detection and measurement
GB/T 22453-2025 Performance measurement method for nonlinear optical crystal elements for lasers
GB/T 26331-2010 Test method for environmental adaptability of optical thin film components
GB/T 26332.4-2015 Optics and photonics Optical films Part 4.Specified test methods
GB/T 39131 Terminology of artificial lens materials
GB/T 41805 Quantitative detection method for surface defects of optical components - Microscopic scattering dark field imaging method
GB 44703 General requirements for optical radiation safety
3 Terms and definitions
The terms and definitions defined in GB/T 15313, GB/T 11293 and GB/T 39131 and the following apply to this document.
3.1
The substance has a boryl group as an anionic group and has a continuous crystal structure.
3.2
The borate nonlinear optical single crystal is processed into an optical element after orientation, cutting, polishing and coating if necessary.
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