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BSI 23/30464258 DC 2023

BSI 23/30464258 DC 2023

$13.70

BS EN ISO 14880-4. Optics and photonics. Microlens arrays – Part 4. Test methods for geometrical properties

Published By Publication Date Number of Pages
BSI 2023 29
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PDF Catalog

PDF Pages PDF Title
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
11 4 Coordinate system
5 Test methods
5.1 Pitch and surface modulation depth measurement
5.1.1 Use of stylus instrument
13 5.1.2 Use of confocal microscope
16 5.2 Physical thickness
5.2.1 Principle
5.2.2 Set-up and preparation
5.3 Radius of curvature
5.3.1 Principle
18 5.3.2 Measurement arrangement and test equipment
19 5.4 Surface preparation of microlens array for measurement
20 6 Procedure
6.1 Measurement of pitch and surface modulation depth (lens sag)
6.1.1 Preliminary measurements
6.2 Making measurements and interpreting the results
6.3 Measurement of physical thickness
6.4 Measurement of radius of curvature
21 7 Results and uncertainties
8 Test report
23 Annex€A (informative) Measurement with a Fizeau interferometer system
26 Annex€B (informative) Uniformity of array spacing
29 Bibliography

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BSI 23/30464258 DC 2023
$13.70