Intense bandwidth- and diffraction-limited picosecond pulses with large tuning range

K. Wolfrum; R. Laenen; A. Laubereau

doi:10.1016/0030-4018(93)90614-B

Intense bandwidth- and diffraction-limited picosecond pulses with large tuning range

K. Wolfrum, R. Laenen, A. Laubereau

Universität Bayreuth

Research output: Contribution to journal › Article › peer-review

28 Scopus citations

Abstract

A singly resonant optical parametric oscillator is devised with type II phasematching of a KTP crystal and pumping by the second harmonic of a feedback-controlled modelocked Nd: YLF laser. Pulses of 1.5 ps duration and 50 nJ energy are generated over the tuning range 1.2-1.9 μm with time-bandwidth product <0.5 and beam divergence <1 mrad. Subsequent parametric amplification and down-conversion in two LiNbO₃ crystals yield single pulses of 2.1 ps and 20 μJ in the wavelength region 2.3-4.2 μm. A repetition rate of 70 Hz and rapid computer-controlled wavelength setting make the pulse generation device well suited for spectroscopic applications.

Original language	English
Pages (from-to)	41-46
Number of pages	6
Journal	Optics Communications
Volume	97
Issue number	1-2
DOIs	https://doi.org/10.1016/0030-4018(93)90614-B
State	Published - 1 Mar 1993
Externally published	Yes

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title = "Intense bandwidth- and diffraction-limited picosecond pulses with large tuning range",

abstract = "A singly resonant optical parametric oscillator is devised with type II phasematching of a KTP crystal and pumping by the second harmonic of a feedback-controlled modelocked Nd: YLF laser. Pulses of 1.5 ps duration and 50 nJ energy are generated over the tuning range 1.2-1.9 μm with time-bandwidth product <0.5 and beam divergence <1 mrad. Subsequent parametric amplification and down-conversion in two LiNbO3 crystals yield single pulses of 2.1 ps and 20 μJ in the wavelength region 2.3-4.2 μm. A repetition rate of 70 Hz and rapid computer-controlled wavelength setting make the pulse generation device well suited for spectroscopic applications.",

author = "K. Wolfrum and R. Laenen and A. Laubereau",

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doi = "10.1016/0030-4018(93)90614-B",

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AU - Wolfrum, K.

AU - Laenen, R.

AU - Laubereau, A.

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N2 - A singly resonant optical parametric oscillator is devised with type II phasematching of a KTP crystal and pumping by the second harmonic of a feedback-controlled modelocked Nd: YLF laser. Pulses of 1.5 ps duration and 50 nJ energy are generated over the tuning range 1.2-1.9 μm with time-bandwidth product <0.5 and beam divergence <1 mrad. Subsequent parametric amplification and down-conversion in two LiNbO3 crystals yield single pulses of 2.1 ps and 20 μJ in the wavelength region 2.3-4.2 μm. A repetition rate of 70 Hz and rapid computer-controlled wavelength setting make the pulse generation device well suited for spectroscopic applications.

AB - A singly resonant optical parametric oscillator is devised with type II phasematching of a KTP crystal and pumping by the second harmonic of a feedback-controlled modelocked Nd: YLF laser. Pulses of 1.5 ps duration and 50 nJ energy are generated over the tuning range 1.2-1.9 μm with time-bandwidth product <0.5 and beam divergence <1 mrad. Subsequent parametric amplification and down-conversion in two LiNbO3 crystals yield single pulses of 2.1 ps and 20 μJ in the wavelength region 2.3-4.2 μm. A repetition rate of 70 Hz and rapid computer-controlled wavelength setting make the pulse generation device well suited for spectroscopic applications.

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VL - 97

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JO - Optics Communications

JF - Optics Communications

IS - 1-2

ER -

Intense bandwidth- and diffraction-limited picosecond pulses with large tuning range

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