GB/T 16601.2-2017 English PDFUS$679.00 · In stock
Delivery: <= 6 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 16601.2-2017: Lasers and laser-related equipment -- Test methods for laser-induced damage threshold -- Part 2: Threshold determination Status: Valid
Basic dataStandard ID: GB/T 16601.2-2017 (GB/T16601.2-2017)Description (Translated English): Lasers and laser-related equipment -- Test methods for laser-induced damage threshold -- Part 2: Threshold determination Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: L51 Classification of International Standard: 31.260 Word Count Estimation: 34,399 Date of Issue: 2017-12-29 Date of Implementation: 2018-07-01 Older Standard (superseded by this standard): GB/T 16601-1996 Partial Regulation (derived from): National Standards Bulletin 2017 No. 32 Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China GB/T 16601.2-2017: Lasers and laser-related equipment -- Test methods for laser-induced damage threshold -- Part 2: Threshold determination---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. Lasers and laser-related equipment - Test methods for laser-induced damage threshold - Part 2. Threshold determination ICS 31.260 L51 National Standards of People's Republic of China Partially replace GB/T 16601-1996 Laser and laser related equipment laser damage threshold Test methods - Part 2. Determination of thresholds threshold-Part 2.Thresholddetermination (ISO 21254-2.2011, MOD) 2017-12-29 Posted 2018-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Foreword Ⅲ Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 test method 1 4.1 Overview 1 4.2 1 to 1 test 1 4.2.1 Overview 1 4.2.2 Test parameters 1 4.2.3 Test Procedure 1 4.2.4 Evaluation of measurement results 2 4.3 S to 1 test 2 4.3.1 Overview 2 4.3.2 Test parameters 3 4.3.3 Test Procedure 3 4.3.4 Measurement results evaluation 3 5 test accuracy 6 6 test report 7 6.1 Overview 7 6.2 1 to 1 test 7 6.3 S to 1 test 7 Appendix A (Informative) Measurement procedures example (1 to 1 test) 8 Appendix B (informative) 1 to 1 test report example 13 Appendix C (informative) test procedure example (S to 1 test) 17 Appendix D (Informative) S-1 Test Report Example 20 Appendix E (Informative) S-1 extrapolation test 25 Appendix F (informative) Damage data converted to defect density 26 References 28 ForewordGB/T 16601 "laser and laser-related equipment laser damage threshold test method" is divided into the following sections. --- Part 1. Definitions and general rules; --- Part 2. Threshold determination; --- Part 3. Confirmation of laser power (energy) affordability; --- Part 4. Inspection, detection and measurement. This section GB/T 16601 Part 2. This section drafted in accordance with GB/T 1.1-2009 given rules. Part of this section instead of GB/T 16601-1996 "optical surface laser damage threshold test method Part 1 .1 to 1 test", Compared with GB/T 16601-1996, the main technical changes are as follows. --- Modify the 1 to 1 test method (see 4.2); --- Added 1 to 1 test procedure examples and test report examples (see Appendix A and Appendix B); --- Added S to 1 test method (see 4.3); --- Added S-to-1 test procedure examples and test report examples (see Appendix C and Appendix D); --- Added S to 1 test extrapolation method (see Appendix E); --- Increased damage data conversion to defect density calculation method (see Appendix F). This section uses the redrafted law revision using ISO 21254-2.2011 "laser and laser-related equipment laser damage threshold test Methodology Part 2. Threshold Determination. " This part of ISO 21254-2.2011 technical differences and the reasons are as follows. --- On the normative references, this section made a technical difference with the adjustment to adapt to China's technical conditions, adjust the situation Concentration reflected in the second chapter "Normative references", the specific adjustments are as follows. ● Replaced ISO 11145 with GB/T 15313-2008 modified to adopt international standards; ● Replaced ISO 21254-1.2011 with modifications GB/T 16601.1-2017 adopting international standards. Please note that some of this document may be patentable. The issuing agencies of this document do not bear the responsibility of identifying these patents. This part is proposed by China North Industries Group Corporation. This part of the National Optical and Photonics Standardization Technical Committee (SAC/TC103) centralized. This part of the drafting unit. China Ordnance Industry Standardization Institute, the state-run fifty-thirty-eighth plant, Southwest Institute of Technical Physics, Nanjing Institute of Technology the University. The main drafters of this section. Meng Fan Ping, Xiong Bo, Wei Aiqing, Wei Xiaoyu, Chen Jianhua, Ye Dahua, Chu Zhaohua, Ni Xiaowu. This part replaces the standards previously issued as. --- GB/T 16601-1996.IntroductionThis section provides test methods for determining single and multi-pulse laser damage thresholds for coated and uncoated optical components. the purpose is Provide some test methods, the measurement results obtained by these methods are consistent, and at the same time can quickly and accurately between different laboratories Compare In a single pulse test, a one-to-one test in this section, the unirradiated test spot on each sample surface passes through only one laser pulse Irradiated. When the irradiation energy is lower than the damage energy at the single pulse test, repeated laser pulse irradiation may damage the optical element or Resulting in deterioration of component performance. In addition to reversible effects caused by heat and thermal distortion, it is also observed that aging, micro-damage and defects or Irreversible damage caused by expansion. The deterioration of the optical quality of the components is related to the laser operating parameters and the optical system in which the components are located. Multi-pulse measurement The test, S-to-1 test, uses a burst test point with a constant energy density. In addition to the technique of assessing the damage threshold based on the damage probability curve in a 1-to-1 test, this section also states two simplified methods of handling S-to-1 damage test obtained by the original data.First, the characteristic damage curve method, the second is the extrapolation method. The characteristic damage curve method requires a sample table A large number of test points S-to-1 test and generate three curves, the three curves show that the number of selected pulses under the conditions of damage The probability is 10%, 50% and 90% energy density. The characteristic damage curve is a complete and extended laser damage threshold test result, which is recommended Used for basic research on newly developed or critical laser optics. The second method of S-1 testing, extrapolation, uses large Decreased test points. This method generates a profile of both injured and undamaged regions, which shows that the damage threshold is proportional to each test The number of irradiation pulses related. This profile is of limited reliability, but it can be used for laser optics that has been certified for complete damage testing Component quality control, or as part of an extended damage test. Real-world laser damage tests suitable for industrial applications require a large number of pulses (109 to 1011) and therefore require high experimental costs. This section also describes a procedure to obtain S-to-1 damage thresholds by extrapolating a characteristic damage curve to estimate the actual optical components life. It should be recognized that the laser damage threshold of an optical element irradiated with a repetition pulse is affected by a number of different deterioration mechanisms including contamination, heat, The emergence or expansion of defects, structural changes. These mechanisms are affected by laser operating parameters, environment and component installation conditions. Therefore, all parameters should be recorded And bearing in mind that different working conditions in the test may cause different damage phenomena. The test procedures presented in this section apply to a combination of different laser wavelengths and pulse widths. However, comparing laser damage thresholds may Misleading unless measured with the same wavelength, same pulse width and beam diameter. Definition of Laser Damage Threshold Measurement And the general rules found in GB/T 16601.1-2017. Laser and laser related equipment laser damage threshold Test methods - Part 2. Determination of thresholds Caution --- Examine the damage data may overestimate the laser damage threshold. In testing toxic materials (such as ZnSe, GaAs, CdTe, ThF4, Sulfide, Be, Cr, Ni) can cause serious health hazards. See GB/T 16601.1-2017 for details Record A.1 ScopeThis section GB/T 16601 specifies the optical element laser damage threshold 1 to 1 and S to 1 test method. This section applies to all types of lasers and laser damage under various operating conditions to determine the threshold.2 Normative referencesThe following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 15313-2008 Laser terms (ISO 11145.2006, MOD) GB/T 16601.1-2017 laser and laser-related equipment laser damage threshold test method - Part 1. Definitions and general provisions (ISO 21254-1.2011, MOD)3 Terms and definitionsGB/T 15313-2008 and GB/T 16601.1-2017 defined terms and definitions apply to this document.4 test method4.1 Overview Laser damage threshold test principle, test equipment, test sample preparation see GB/T 16601.1-2017. 4.2 1 to 1 test 4.2.1 Overview In a 1-to-1 test, each non-irradiated test spot on the sample surface was subjected to only a single laser pulse with a defined beam parameter Irradiation. According to the experimental data, construct the relationship between damage probability and energy density or power density. 4.2.2 Test parameters Test equipment according to GB/T 16601.1-2017 described in 6.2.6.5 parameters. 4.2.3 Test Procedure The sample test points are placed in the laser light path and irradiated with a single laser pulse of different energy density or power density. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 16601.2-2017_English be delivered?Answer: Upon your order, we will start to translate GB/T 16601.2-2017_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 6 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 16601.2-2017_English with my colleagues?Answer: Yes. 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