Time multiplexing of high power laser diodes with single crystal photo-elastic modulators | Zendy

F. Bammer | Zendy; B. Holzinger | Zendy; T. Schumi | Zendy

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Time multiplexing of high power laser diodes with single crystal photo-elastic modulators

Author(s) -

F. Bammer,

B. Holzinger,

T. Schumi

Publication year - 2006

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.14.003324

Subject(s) - optics , laser , diode , multiplexing , polarization (electrochemistry) , materials science , optoelectronics , semiconductor laser theory , beam splitter , modulation (music) , physics , telecommunications , chemistry , computer science , acoustics

Time-multiplexing is a method to increase the brilliance of diode lasers, i.e. a sequence of laser pulses emitted from different laser diodes at different times is guided onto a common optical path via a cascade of polarizing cube beam splitters and polarization switches. The latter are made of piezo-electric crystals oscillating in resonance and making use of the photo-elastic effect to obtain the desired modulation of polarization. We realized a demonstrator for time multiplexing of four laser diodes with such self-excited photo-elastic modulators. The latter is a new alternative to conventional photo-elastic modulators used in ellipsometers.

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