Frequency up-conversion of 800-nm femtosecond pulses by two-photon absorption in doped PMMA fibers

Grace Jordan; Takeyuki Kobayashi; Werner J. Blau; Hartwig Tillmann; Hans-Heinrich Hoerhold

doi:10.1117/12.472841

12 September 2003 Frequency up-conversion of 800-nm femtosecond pulses by two-photon absorption in doped PMMA fibers

Grace Jordan, Takeyuki Kobayashi, Werner J. Blau, Hartwig Tillmann, Hans-Heinrich Hoerhold

Proceedings Volume 4972, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications II; (2003) https://doi.org/10.1117/12.472841
Event: High-Power Lasers and Applications, 2003, San Jose, CA, United States

Abstract

We report on two-photon pumped frequency upconverted emission in doped PMMA fibers. The PMMA fibers were doped with a novel organic chromophore 1,4-bis(4-diphenylamino-styryl)-benzene (referred to as SP35) which is designed specifically to emit in the blue spectral region. Strong upconverted blue emission was observed in the fibers when longitudinally pumped at 800nm with a Titanium Sapphire laser. We measured a large two-photon absorption cross section for SP35 of 7.8 x 10^-19cm⁴/GW using the non-linear transmission method. Our study shows that a well designed organic chromophore in combination with a suitable fiber geometry makes this system appealing for the development of an upconversion blue laser source.

Citation Download Citation

Grace Jordan, Takeyuki Kobayashi, Werner J. Blau, Hartwig Tillmann, and Hans-Heinrich Hoerhold "Frequency up-conversion of 800-nm femtosecond pulses by two-photon absorption in doped PMMA fibers", Proc. SPIE 4972, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications II, (12 September 2003); https://doi.org/10.1117/12.472841

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