GB/T 40381-2021Specification of sapphire plate for laser window (English PDF)
激光窗口用蓝宝石晶体板状材料规范
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
August 20, 2021
Implementation date
March 1, 2022
Scope
GB/T 40381-2021 is the English-translated version of 激光窗口用蓝宝石晶体板状材料规范.
GB/T 40381-2021 sets the requirements for sapphire crystal plates used as laser window material. Its technical requirements cover the material, processing, optical performance and resistance to temperature shock, and the inspection methods follow the same four headings.
It also gives the inspection rules, with factory, periodic and type inspection, and the rules for marking, packaging, transport and storage.
The terms it defines are crystal orientation, spectral transmittance and wavefront, and the methods it cites include GB/T 1185-2006 for surface defects of optical parts, GB/T 7896-2008 for testing optical quartz crystal and GB/T 12085.2-2010 for low temperature, high temperature and damp heat tests. It was issued on 20 August 2021 and has applied since 1 March 2022.
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Document preview — GB/T 40381-2021
National Standard of the People's Republic of China
- ICS
- 71.060.20
- Classification
- Q 65
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Technical requirements
- 4.1 Material requirements
- 4.2 Processing requirements
- 4.3 Optical performance
- 4.4 Temperature shock
- 5 Inspection method
- 5.1 Material requirements
- 5.2 Processing requirements
- 5.3 Optical performance
- 5.4 Temperature shock
- 6 Inspection rules
- 6.1 Inspection classification
- 6.2 Factory inspection
- 6.3 Periodic inspection
- 6.4 Type inspection
- 7 Identification, packaging, transportation and storage
- 7.1 Identification
- 7.2 Packaging
- 7.3 Transportation
- 7.4 Storage
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" Drafting.
1 Scope
This document specifies the technical requirements, inspection methods, inspection rules, identification, packaging, and transportation of sapphire crystal plate materials for laser windows. And storage.
This document is applicable to sapphire crystal plate materials for laser windows.
2 Normative references
The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.
GB/T 1185-2006 Surface defects of optical parts
GB/T 1555 Method for determination of crystal orientation of semiconductor single crystals
GB/T 2828.1-2012 Sampling inspection procedures by attributes Part 1: Batch inspection sampling searched by acceptance quality limit (AQL) plan
GB/T 6040 General Rules of Infrared Spectroscopy Analysis Method
GB/T 7660.3-2013 Reflecting prism Part 3: Optical parallelism and its inspection method
GB/T 7896-2008 Artificial optical quartz crystal test method
GB/T 11337-2004 Flatness error detection
GB/T 12085.2-2010 Optical and optical instrument environmental test methods Part 2: Low temperature, high temperature, damp heat
GB/T 31092-2014 Sapphire single crystal ingot
GB/T 32189-2015 Atomic Force Microscope Inspection Method for Surface Roughness of Gallium Nitride Single Crystal Substrate
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Crystal orientation
The crystallographic orientation of the single crystal. [Source: GB/T 14264-2009, 3.174]
3.2 Spectrum transmittance
In a given wavelength range, the percentage of the luminous flux through the crystal to the luminous flux of the incident crystal.
3.3 Wavefront
The isophase plane when light waves propagate. [Source: GB/T 13962-2009, 2.28]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 1185-2006Surface imperfections of optical elements
- GB/T 1555Test methods for determining the orientation of a semiconductive single crystal
- GB/T 2828.1-2012Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
- GB/T 6040General rules for infrared analysis
- GB/T 7660.3-2013Reflecting prisms—Part 3: Optical parallelism and test method
- GB/T 7896-2008Test method for optical grade synthetic quartz crystal
Similar standards
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Related Standards
GB/T 11337-2004 — Measurement of departures from flatness
GB/T 1185-2006 — Surface imperfections of optical elements
GB/T 1555-2023 — Test methods for determining the orientation of a semiconductive single crystal
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