🔥🔥 Don’t Miss Out on Our End of Autumn Sale. If you have any questions, feel free to click the bottom right corner to contact our customer service..

Concat us[email protected]
Shopping Cart

No products in the cart.

🔍
BSI 23/30456750 DC 2023

BSI 23/30456750 DC 2023

$13.70

BS ISO 13915. Fine ceramics (advanced ceramics, advanced technical ceramics). Test method for optical properties of ceramic phosphors for white light-emitting diodes with reference materials

Published By Publication Date Number of Pages
BSI 2023 23
PDF Format Searchable Printable Preview Now
Guaranteed Safe Checkout
Category:

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

PDF Catalog

PDF Pages PDF Title
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Measurement apparatus
4.1 Apparatus configuration
12 4.2 Light source unit
4.3 Sample unit
4.3.1 Cell
13 4.3.2 Sample compartment and cell holder
4.4 Detection unit
4.4.1 Directing optical system
4.4.2 Spectrometer and detector
4.4.3 Amplifier
4.5 Signal and data processing unit
5 Calibration, inspection and maintenance of measurement apparatus
5.1 General
5.2 Wavelength calibration of light source unit
14 5.3 Cells
5.4 Wavelength calibration of detection unit
5.5 Spectral responsivity calibration
6 Samples
6.1 Reference material
6.2 Storage and pre-processing
15 6.3 Filling cells with phosphor powders
7 Measurement procedures
7.1 Measurement environment
7.2 Spectrometer setup for substitution measurement
7.3 Measurement for reference material
7.4 Measurement for phosphor material under test
16 8 Calculation
8.1 Spectral responsivity correction
8.2 Conversion to photon number-based spectral distribution
8.3 Calculation of scattered light and fluorescence photon numbers
18 8.4 External quantum efficiency
8.5 Absorptance
8.6 Internal quantum efficiency
9 Test report
20 Annex€A (informative) Wavelength correction of monochromators by using phosphor material with specific fluorescence peaks
22 Annex€B (informative) Correction method for chromaticity coordinates of ceramic phosphors for white light-emitting diodes with reference materials
23 Annex€C (informative) Guide to application of relevant ISO documents concerning test methods for optical properties of ceramic phosphors for white LEDs

Related products

BSI 23/30456750 DC 2023
$13.70