In-situ calibration of spatial light modulators in femtosecond pulse shapers

B. Döpke; J. C. Balzer; M. R. Hofmann

doi:10.1117/12.2039451

19 February 2014 In-situ calibration of spatial light modulators in femtosecond pulse shapers

B. Döpke, J. C. Balzer, M. R. Hofmann

Author Affiliations +

Proceedings Volume 9004, Emerging Liquid Crystal Technologies IX; 90040D (2014) https://doi.org/10.1117/12.2039451
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

Femtosecond pulse shapers are an important tool for the manipulation of ultrashort pulses. Two-Liquid-Crystal (LC)- Panel Spatial Light Modulator (SLM) pulse shapers⁵ are especially useful, as they permit simultaneous control of phase and amplitude of spectral components, thereby allowing for a wide range of possible manipulations of the temporal shape of ultrashort pulses. In this work, a detailed description of the alignment of a pulse shaper optimized for modelocked semiconductor lasers is presented. Several methods to calibrate the phase-retardance-LC-voltagerelationship are reviewed and a calibration method is presented which is robust to non-idealities of the components of the setup.

Citation Download Citation

B. Döpke, J. C. Balzer, and M. R. Hofmann "In-situ calibration of spatial light modulators in femtosecond pulse shapers", Proc. SPIE 9004, Emerging Liquid Crystal Technologies IX, 90040D (19 February 2014); https://doi.org/10.1117/12.2039451

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