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JJF 2048-2023 English PDF

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JJF 2048-2023: Calibration Specification for(0.1~3)kJ Laser Energy Meters
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JJF 2048-2023English379 Add to Cart 4 days [Need to translate] Calibration Specification for(0.1~3)kJ Laser Energy Meters Valid JJF 2048-2023

Standard similar to JJF 2048-2023

JJF 2052   JJF 2051   JJG 2048   

Basic data

Standard ID JJF 2048-2023 (JJF2048-2023)
Description (Translated English) Calibration Specification for(0.1~3)kJ Laser Energy Meters
Sector / Industry Metrology & Measurement Industry Standard
Word Count Estimation 18,197
Date of Issue 2023-06-30
Date of Implementation 2023-12-30
Issuing agency(ies) State Administration for Market Regulation

JJF 2048-2023: Calibration Specification for(0.1~3)kJ Laser Energy Meters

---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.
National Metrology Technical Specifications of the People's Republic of China (0.1~3)kJ laser energy meter calibration specifications Published on 2023-06-30 Implemented on 2023-12-30 Released by the State Administration for Market Regulation (0.1~3)kJ laser energy meter Calibration specifications Responsible unit. National Optical Metrology Technical Committee Main drafting unit. China Institute of Metrology Institute of Military Medicine, Academy of Military Sciences, Chinese People's Liberation Army Southwest Institute of Technical Physics Participating unit in the drafting. Laser Fusion Research Center of China Academy of Engineering Physics The National Optical Metrology Technical Committee is entrusted with the interpretation of this specification. The main drafters of this specification. Xu Tao (China Institute of Metrology) Yang Zaifu (Institute of Military Medicine, Academy of Military Sciences, Chinese People's Liberation Army) Fan Hongying (Southwestern Institute of Technical Physics) Participating drafters. Zhang Yunpeng (China Institute of Metrology) Liu Hua (Laser Fusion Research Center, China Academy of Engineering Physics)

Table of contents

Introduction(Ⅱ) 1 Scope(1) 2 Cited documents(1) 3 Overview(1) 4 Metering characteristics(1) 5 Calibration conditions(1) 5.1 Environmental conditions(1) 5.2 Measurement standards and other equipment(1) 6 Calibration items and calibration methods (2) 6.1 Preparation before calibration(2) 6.2 Relative indication error of laser energy (2) 6.3 Surface response non-uniformity(3) 6.4 Response nonlinearity(4) 7 Calibration results(5) 8 Recalibration time interval(5) Appendix A Recommended format for original calibration records (6) Appendix B Recommended format for inner pages of calibration certificate (8) Appendix C Measurement Uncertainty Evaluation Example (9)

Introduction

JJF 1071 "Rules for Writing National Measurement Calibration Specifications", JJF 1001 "General Measurement Terms and Definitions", JJF 1059.1 "Evaluation and Expression of Measurement Uncertainty" together constitute the basic series supporting the formulation of this specification. specification. This specification is released for the first time. (0.1~3)kJ laser energy meter calibration specifications

1 Scope

This specification is applicable to the calibration of (0.1~3)kJ laser energy meters.

2 cited documents

This specification references the following documents. JJG312-1983 Laser energy meter For dated references, only the dated version applies to this specification; for undated references, only the dated edition applies. The latest version (including all modification orders) shall apply to this specification.

3 Overview

Laser energy meter (hereinafter referred to as energy meter) is an instrument used to measure laser pulse energy. It consists of detector, signal Composed of processing and display units. Energy meters are divided into photoelectric and thermoelectric types according to the working principle of the detector. (0.1~3)kJ energy The meter is generally a thermoelectric type. The absorber of the detector absorbs the laser pulse energy and converts it into heat energy. The temperature sensor is used to Measure the temperature rise of the absorbed body or the temperature difference between the absorber and the heat sink to obtain an electrical signal, which is displayed on the display unit after signal processing. Laser energy value, its unit is usually J.

4 Metering characteristics

4.1 Relative indication error of laser energy. ±8%. 4.2 Surface response non-uniformity. ≤5%. 4.3 Response nonlinearity. ±5%. Note. The above technical indicators are not suitable for qualification determination and are for reference only.

5 Calibration conditions

5.1 Environmental conditions Ambient temperature. (23±5)℃; Relative humidity. ≤80%; There is no mechanical vibration, electromagnetic interference and strong light radiation in the calibration environment that would affect normal measurement data. 5.2 Measurement standards and other equipment 5.2.1 Standard energy meter Measuring range. (0.1~3)kJ; Wavelength range. (0.19~11)μm; Response nonlinearity. ±3%; Expanded uncertainty. Urel=4% (k=2). 5.2.2 Pulse laser source

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