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GB/T 42257-2022 English PDF

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GB/T 42257-2022: Method for measuring optical and laser performance for Chromium and Erbium co-doped Yttrium Scandium Gallium Garnet laser crystal
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 42257-2022	599	Add to Cart	5 days	Method for measuring optical and laser performance for Chromium and Erbium co-doped Yttrium Scandium Gallium Garnet laser crystal	Valid

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Basic data

Standard ID: GB/T 42257-2022 (GB/T42257-2022)
Description (Translated English): Method for measuring optical and laser performance for Chromium and Erbium co-doped Yttrium Scandium Gallium Garnet laser crystal
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q65
Classification of International Standard: 31.260
Word Count Estimation: 29,238
Date of Issue: 2022-12-30
Date of Implementation: 2023-04-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42257-2022: Method for measuring optical and laser performance for Chromium and Erbium co-doped Yttrium Scandium Gallium Garnet laser crystal

---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 CCSQ65 National Standards of People's Republic of China Chromium-erbium co-doped yttrium-scandium-gallium garnet crystal optics and Laser Performance Measurement Methods Posted on 2022-12-30 2023-04-01 Implementation State Administration for Market Regulation Released by the National Standardization Management Committee

foreword

This document is in accordance with GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules for Standardization Documents" drafting. 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 Building Materials Federation. This document is sponsored by the National Standardization Technical Committee of Intraocular Lens (SAC/TC 461) centralized. This document is drafted by. Hefei Institute of Material Science, Chinese Academy of Sciences, Nanjing Leike Laser Technology Co., Ltd., Xi'an Tianjian Huafeng Laser Technology Co., Ltd. Optical Medical Equipment Co., Ltd., China Building Materials Inspection and Certification Group Co., Ltd. The main drafters of this document. Sun Dunlu, Zhang Huili, Luo Jianqiao, Zhao Xuyao, Quan Cong, Hu Lunzhen, Han Zhiyuan, Dong Kunpeng, Cheng Maojie, Chen Jiakang, Guan Peng, Yin Shaotang, Lu Kuilin. Chromium-erbium co-doped yttrium-scandium-gallium garnet crystal optics and Laser Performance Measurement Methods

1 Scope

This document describes methods for measuring the optical and laser properties of chromium-erbium co-doped yttrium-scandium-gallium garnet crystals. This document is applicable to the measurement of optical and laser properties of chromium-erbium co-doped yttrium scandium gallium garnet crystals and crystal components. Chromium-erbium co-doped laser glass The measurement of optical and laser properties of glass, chromium-erbium co-doped laser ceramics and other materials can be carried out by reference.

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 7247.1 Safety of laser products - Part 1.Equipment classification, requirements GB/T 11297.1-2017 Measurement method of laser rod wavefront distortion GB/T 15175 Measurement method of main parameters of solid-state laser GB/T 16601.2 Laser damage threshold test method for lasers and laser-related equipment - Part 2.Threshold determination GB/T 27661 Measurement method of one-way loss coefficient of laser rod GB/T 27665 Nd-doped yttrium aluminum garnet laser bar laser performance measurement method GB/T 30902-2014 Determination of impurity elements in inorganic chemical products by inductively coupled plasma emission spectrometry (ICP- OES) GB/T 35118-2017 Measurement method for optical properties of erbium-doped yttrium aluminum garnet laser crystal

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Chromium erbium co-doped yttrium scandium gallium garnet crystal chromium and erbium co-dopants yttrium scandium garnet crystal;Cr,Er.YSGG The chemical formula is Cr2yEr3xY3-3xSc2-2yGa3O12, the space group is Ia3d, in which Cr3 replaces the center position of the oxygen octahedron Sc3, Er3 replaces the cubic crystal of Y3 at the center of the oxygen dodecahedron. Note. In the chemical formula, x represents the atomic percentage (at.%) of erbium doped with active ions, and y represents the atomic percentage (at.%) of chromium doped with sensitizing ions. 3.2 Dopant concentration dopant concentration The content of dopant elements in the material. Note. Often expressed in atomic percent (at.%) or weight percent (wt.%). [Source. GB/T 11293-1989, 12, with revisions] 3.3 Chromium concentration dopant concentration of ions Cr,Er. Atomic percentage (at.%) of chromium ions in the total content of chromium and scandium ions in YSGG. ......

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Question 1: How long will the true-PDF of GB/T 42257-2022_English be delivered?

Answer: Upon your order, we will start to translate GB/T 42257-2022_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 42257-2022_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 42257-2022_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.