A high-peak-power UV picosecond-pulse light source based on a gain-switched 155 μm laser diode and its application to time-resolved spectroscopy of blue-violet materials | Zendy

Aya Sato | Zendy; Shunsuke Kono | Zendy; Kyosuke Saito | Zendy; Ki-ichi Sato | Zendy; Hiroyuki Yokoyama | Zendy

Open Access

A high-peak-power UV picosecond-pulse light source based on a gain-switched 155 μm laser diode and its application to time-resolved spectroscopy of blue-violet materials

Author(s) -

Aya Sato,

Shunsuke Kono,

Kyosuke Saito,

Ki-ichi Sato,

Hiroyuki Yokoyama

Publication year - 2010

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.18.002522

Subject(s) - materials science , picosecond , optics , optoelectronics , laser , spectroscopy , pulse duration , diode , energy conversion efficiency , ultraviolet , laser diode , physics , quantum mechanics

We generated sub-kilowatt peak-power and 6-ps duration 390-nm optical pulses via the fourth harmonic generation of amplified optical output from a gain-switched 1.55-microm laser diode. We obtained a power-conversion-efficiency of 12% from 1.55-microm to 390-nm light, and subsequently applied the ultraviolet pulses to time-resolved spectroscopy of blue-violet luminescent materials, including a Coumarine dye solution and nitride semiconductor materials using single-photon and two-photon excitation schemes.

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