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GB/T 7962.11-2010Test method for colourless optical glass - Part 11: Precise test method for refractive index in the visible wave band (English PDF)

无色光学玻璃测试方法第11部分：可见折射率精密测试

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

January 14, 2011

Implementation date

May 1, 2011

Scope

GB/T 7962.11-2010 is the English-translated version of 无色光学玻璃测试方法第11部分：可见折射率精密测试.

GB/T 7962.11-2010 is the Chinese standard "Test method for colourless optical glass - Part 11: Precise test method for refractive index in the visible wave band".

Its scope clause reads: This part of GB/T 7962 specifies the principle, apparatus, measurement steps and result calculation method for the measurement of refractive index of colorless optical glass by minimum deviation angle of approach.

This part is applicable to the precise measurement for the refractive index of colourless optical glass in the visible wave band. Its clauses include terms and definitions.

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Document preview — GB/T 7962.11-2010

National Standard of the People's Republic of China

ICS: 81.040.01
Classification: N 05
Replacing: GB/T 7962.11-1987

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Method principle
5 Test apparatus
6 Sample requirements
7 Measurement
8 Result calculation

1 Scope

This part of GB/T 7962 specifies the principle, apparatus, measurement steps and result calculation method for the measurement of refractive index of colorless optical glass by minimum deviation angle of approach.

This part is applicable to the precise measurement for the refractive index of colourless optical glass in the visible wave band.

2 Normative references

The following documents contain provisions which, through reference in this part of GB/T 7962, constitute provisions of this part. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply. However parties to agreements based on this part are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest editions apply to this part.

GB/T 903 Colourless optical glass

3 Terms and definitions

minimum deviation angle of approach method calculating the refractive index by measuring the minimum deviation angle of light passing through the prism […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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Editions of GB/T 7962.11

Edition	Title	Revision	Status
GB/T 7962.11-2010	Test method for colourless optical glass - Part 11: Precise test method for refractive index in the visible wave band	current edition	Current
GB/T 7962.11-1987	Test method for colourless optical glass - Part 11: Precise test method for refractive index in the visible wave band	previous edition	Superseded

This page sells the current edition, GB/T 7962.11-2010. Earlier editions are listed for reference only.

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