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BS ISO 6760-1:2024

BS ISO 6760-1:2024

$142.49

Optics and photonics. Test method for temperature coefficient of refractive index of optical glasses – Minimum deviation method

Published By Publication Date Number of Pages
BSI 2024 32
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PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Principle
11 5 Measuring apparatus
5.1 Goniometer
5.2 Light source
5.3 Detector
5.4 Thermal chamber
12 6 Specimen prism
7 Measurement
7.1 Measurement of apex angle
7.2 Measurement of the angle of minimum deviation
13 8 Calculation
8.1 Absolute refractive index
14 8.2 Temperature coefficient of absolute refractive index
15 8.3 Temperature coefficient of relative refractive index
16 9 How to express the temperature coefficient of refractive index
10 Test report
17 Annex A (informative) Formula for calculating the refractive index of air
19 Annex B (informative) Calculation method for obtaining the relative refractive index of glass at an arbitrary temperature, air pressure and relative humidity
21 Annex C (informative) Half prism method
26 Annex D (informative) Interpolation formula for Ī”n/Ī”T
27 Annex E (informative) Derivation and verification of Ī”nrel/Ī”T
30 Bibliography

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BS ISO 6760-1:2024
$142.49