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P‐79: High Power Static Phosphor Plate Light Source for Digital Projections
Author(s) -
Li Kenneth
Publication year - 2020
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1002/sdtp.14212
Subject(s) - phosphor , laser , materials science , optoelectronics , diode , voltage droop , blue laser , optics , excited state , laser diode , laser power scaling , power (physics) , physics , atomic physics , quantum mechanics , voltage divider
As the costs of blue laser diodes and laser diode arrays are getting lower, laser excited phosphor systems will be used in areas that were not possible before. This paper presents a static, without a rotating phosphor wheel, high power laser excited phosphor system in which the phosphor plate has a very high damage threshold and droop threshold temperature. The highest power density, limited by the available laser source, of over 54 W per sq. mm has been achieved and is expected to increase in the near future with higher power laser sources, development of homogenizing and diffusing optics at the input, and micro and photonic structures at the output surfaces.

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