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GB/T 26599.1-2011: Lasers and laser-related equipment -- Test methods for laser beam widths, divergence angles and beam propagation ratios -- Part 1: Stigmatic and simple astigmatic beam
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| GB/T 26599.1-2011 | English | 334 |
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Lasers and laser-related equipment -- Test methods for laser beam widths, divergence angles and beam propagation ratios -- Part 1: Stigmatic and simple astigmatic beam
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GB/T 26599.1-2011
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Basic data | Standard ID | GB/T 26599.1-2011 (GB/T26599.1-2011) | | Description (Translated English) | Lasers and laser-related equipment -- Test methods for laser beam widths, divergence angles and beam propagation ratios -- Part 1: Stigmatic and simple astigmatic beam | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | L51 | | Classification of International Standard | 31.260 | | Word Count Estimation | 17,157 | | Date of Issue | 2011-06-16 | | Date of Implementation | 2011-11-01 | | Quoted Standard | GB/T 15313-2008; JB/T 6860-1993; ISO 11146-2-2005; ISO 13694 | | Adopted Standard | ISO 11146-1-2005, IDT | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 9 of 2011 | | 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 | | Summary | This standard specifies the laser beam beam width (diameter), divergence angles and beam propagation ratio measurement method. GB/T 26599 This part applies to no astigmatism and simple astigmatic beams. If the beam type is unknown, or astigmatic beam is generalized beam, this section does not apply. | GB/T 26599.1-2011: Lasers and laser-related equipment -- Test methods for laser beam widths, divergence angles and beam propagation ratios -- Part 1: Stigmatic and simple astigmatic beam
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Lasers and laser-related equipment.Test methods for laser beam widths, divergence angles and beam propagation ratios.Part 1. Stigmatic and simple astigmatic beam
ICS 31.260
L51
National Standards of People's Republic of China
Laser and laser-related equipment Laser beam width,
Test method for divergence angle and beam transmission ratio
Part 1. No astigmatism and simple astigmatism
divergenceanglesandbeampropagratratios-Part 1. Stigmaticand
(ISO 11146-1..2005, IDT)
2011-06-16 release.2011-11-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Management Committee released
Directory
Preface III
1 Scope 1
2 normative reference document 1
3 Terms and definitions 1
4 coordinate system 5
5 test principle 5
5.1 Applicability 5
5.2 Beam width and beam diameter 5
5.3 Beam divergence angle 5
5.4 Beam transmission ratio 5
5.5 Comprehensive measurement of waist position, beam width, beam divergence angle and beam transmission ratio
6 Measuring and testing equipment 5
6.1 Overview 5
6.2 Preparation 5
6.3 Environmental control 6
6.4 Detector system 6
6.5 beam shaping optical components and optical attenuator 6
6.6 Focusing system 6
7 Beam width and beam diameter measurement 6
7.1 Test procedure 6
7.2 Assessment 7
Measurement of divergence angle
8.1 Test procedure 8
8.2 Assessment 8
9 Determination of waist position, beam width, beam divergence angle and beam transmission ratio
10 Test Report 9
Reference 12
Foreword
"Laser and laser-related equipment laser beam width, divergence angle and beam transmission ratio test method" is divided into three parts.
- Part 1. No astigmatism and simple astigmatism;
- Part 2. Generalized astigmatic beam;
Part 3. Intrinsic and geometric classification, transmission and detailed test methods for laser beams.
This part is part 1 of GB/T 26599.
This part uses the translation method equivalent to the international standard ISO 11146-1..2005 "laser and laser related equipment laser beam width, hair
Test methods for angular and beam transmission ratios - Part 1. Non - astigmatism and simple astigmatic beams "(English version). This section does the following editorial
Modification. In the normative reference document, use the international standard of our standard instead of the corresponding international standards.
This part is made by the China Machinery Industry Federation.
This part is headed by the National Committee for the Standardization of Optics and Photonics (SAC/TC103).
This part of the drafting unit. the State Food and Drug Administration Hangzhou Medical Device Quality Supervision and Inspection Center.
The main drafters of this part. Huang Dan, Sun Yu, Han Jiancheng, Du Kun, Ye Yue Shun, Ye Zhongchen.
Laser and laser-related equipment Laser beam width,
Test method for divergence angle and beam transmission ratio
Part 1. No astigmatism and simple astigmatism
1 Scope
This part of GB/T 26599 specifies the beam width (diameter) of the laser beam, the measurement method of the divergence angle and the beam transmission ratio.
This part of GB/T 26599 applies only to astigmatic and simple astigmatic beams. If the beam type is unknown, or the beam is a generalized astigmatism
Beam, this part does not apply.
2 normative reference documents
The terms of this document are the terms of this part of this document, which are referenced in this part of GB/T 26599. Any reference to the date of the text
, All subsequent amendments (excluding corrigenda) or revisions do not apply to this section. But encouraged to be reached in accordance with this part
The parties to the agreement study whether the latest version of these documents can be used. For undated references, the latest edition of this document applies
section.
GB/T 15313-2008 Laser terminology (ISO 11145..2006, MOD)
JB/T 6860-1993 Detectors, instruments and equipment for measuring laser radiant energy (IEC 61040..1990, IDT)
ISO 11146-2..2005 Laser and laser-related equipment - Test methods for laser beam width, divergence angle and beam transmission ratio - Part 2
Part. generalized astigmatic beam
ISO 13694 optical and optical instruments - Laser and laser related equipment - Test method for laser beam power (energy) density distribution
3 terms and definitions
GB/T 15313-2008, ISO 13694, JB/T 6860-1993 and the following terms and definitions apply to this section.
Note. In these definitions, the x-axis, y-axis, and z-axis are for the lab system described in Chapter 4. In this context and in this standard, the term & quot; power density distribution & quot ;.
E (x, y, z) "refers to a continuous wave light source. For a pulsed light source, it can be replaced by an" energy density distribution H (x, y, z) ".
3.1
First order moment of power density distribution firstordermomentsofapowerdensitydistribution
The centroid coordinates of the power density distribution of the beam cross section are expressed by equations (1) and (2)
E (x, y, z) xdxdy
E (x, y, z) dxdy
(1)
E (x, y, z) ydxdy
E (x, y, z) dxdy
(2)
Note. In practical applications, infinite integrals are reduced to finite integrals in the specific case given in Chapter 7.
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