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GB/T 27665-2024 English PDF

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US$399.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 27665-2024: Test method for lasing capability of Nd: YAG laser rods
Status: Valid

GB/T 27665: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 27665-2024	399	Add to Cart	4 days	Test method for lasing capability of Nd: YAG laser rods	Valid
GB/T 27665-2011	279	Add to Cart	3 days	Test methods for lasing capability of Nd: YAG laser rods	Obsolete

Similar standards

GB/T 7247.1 GB/T 39118 GB/T 18490.1 GB/T 27662 GB/T 27661

Basic data

Standard ID: GB/T 27665-2024 (GB/T27665-2024)
Description (Translated English): Test method for lasing capability of Nd: YAG laser rods
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: L51
Classification of International Standard: 31.260
Word Count Estimation: 20,234
Date of Issue: 2024-08-23
Date of Implementation: 2024-08-23
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 27665-2024: Test method for lasing capability of Nd: YAG laser rods

---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 27665-2011 Measurement method of laser performance of Nd.YAG laser rod Released on 2024-08-23 2024-08-23 implementation State Administration for Market Regulation The National Standardization Administration issued

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 27665-2011 "Nd.Yttrium Aluminum Garnet Laser Rod Laser Performance Measurement Method" and GB/T 27665- Compared with.2011, in addition to the structural adjustment and editorial changes, the main technical changes are as follows. --- Increased the scope of application of test samples (see Chapter 1); --- Added laser performance parameters of test samples (see Chapter 1 and 4.3); --- Changed the expression of the measurement principle, and combined the principles of continuous laser performance and pulsed laser performance (see 5.1 and 5.2, 5.1 and 5.2 of the.2011 edition); --- Added the measurement principle of dynamic extinction ratio and laser damage threshold (see 5.3 and 5.4); --- Changed the measurement device requirements, simplified the continuous laser and pulse laser test devices (see 6.1 and 6.2, 6.1 and 6.2); --- Added the requirements for measuring devices for dynamic extinction ratio and laser damage threshold (see 6.3 and 6.4); --- Changed the test steps and measurement results, simplified the test steps and calculation formulas according to the development of lasers (see 7.1 and 7.2, Chapters 7 and 8 of the.2011 edition); --- Added test steps and data processing for dynamic extinction ratio and laser damage threshold (see 7.3 and 7.4). 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. China Electronics Technology Group Corporation 11th Research Institute, Beijing Leishengqiang Technology Co., Ltd., China Electronics Technology Optoelectronic Technology Co., Ltd., Chengdu Dongjun Laser Co., Ltd., and Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences. The main drafters of this document are. Zhu Jianhui, Xing Xiaowen, Wu Wei, Zhou Shibin, Wu Shaofan, Qiu Ying, Sun Ling, and Li Jiuxi. The previous versions of this document and the documents it replaces are as follows. ---First published in 1989 as GB/T 11297.4-1989 and GB/T 11297.5-1989; ---First revision in.2011, integrated into GB/T 27665-2011; ---This is the second revision. Measurement method of laser performance of Nd.YAG laser rod

1 Scope

This document describes a method for measuring the laser performance of a Nd.YAG laser bar in a laser cavity at a wavelength of 1064 nm. This document applies to the laser threshold of Nd.YAG laser rods (rod-shaped solid laser working material emitting a wavelength of 1064nm) The measurement of the slope efficiency, dynamic extinction ratio and laser damage threshold, Nd.Ce double doped yttrium aluminum garnet, Nd.Ce doped glass and ceramics and other similar materials It is used as a reference for measuring the laser performance of laser rods of similar materials or shapes or other working wavelengths.

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 1185 Surface defects of optical parts GB/T 7247.1 Safety of laser products Part 1.Equipment classification and requirements GB/T 11293 Terminology of solid laser materials GB/T 11297.3 Measurement method of extinction ratio of neodymium-doped yttrium aluminum garnet laser rods GB/T 13842 Nd.Yttrium Aluminum Garnet Laser Rods GB/T 15313 Laser Terminology GB/T 16601.2 Laser damage threshold test method for lasers and laser-related equipment Part 2.Threshold determination

3 Terms and definitions

The terms and definitions defined in GB/T 11293 and GB/T 15313 apply to this document.

4 Technical requirements

4.1 Test Environment Unless otherwise specified, the tests shall be carried out under the following conditions. a) Ambient temperature. 22℃±5℃; b) Relative humidity. ≤70%; c) Air pressure. 86kPa~106kPa; d) The measurement system should be located in an environment without obvious vibration, airflow and smoke, and there should be no interference that may affect the measurement results. 4.2 Processing technology requirements for the laser rod under test Except for special requirements, select Nd.Y3Al5O12 (hereinafter referred to as Nd.YAG) laser rods with the same doping concentration. Processing, the processing requirements should comply with the provisions of GB/T 13842. a) The parallelism of both end surfaces is better than or equal to 10″; b) The perpendicularity of the end face to the rod axis is better than or equal to 5'; ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 27665-2024_English be delivered?

Answer: Upon your order, we will start to translate GB/T 27665-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 27665-2024_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 27665-2024_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.

Question 5: Should I purchase the latest version GB/T 27665-2024?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 27665-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.