A pulsed optical parametric oscillator, based on periodically poled lithium niobate (PPLN), for high-resolution spectroscopy

G. W. Baxter; Y. He; B. J. Orr

doi:10.1007/s003400050576

A pulsed optical parametric oscillator, based on periodically poled lithium niobate (PPLN), for high-resolution spectroscopy

G. W. Baxter, Y. He, B. J. Orr^*

^*Corresponding author for this work

Research output: Contribution to journal › Article

38 Citations (Scopus)

Abstract

We report a pulsed optical parametric oscillator (OPO), incorporating periodically poled lithium niobate (PPLN) and injection-seeded by a tunable diode laser (TDL). This is combined with an optical parametric amplifier (OPA) based on bulk lithium niobate (LNB) to form a modular, high-performance spectroscopic system. The instrument employs a novel intensity-dip control scheme to lock the length of the OPO ring cavity to the continuous-wave seed radiation from a 1.55-μm single-mode TDL. The coherent infrared signal and idler outputs of this TDL-seeded PPLN OPO/LNB OPA system are continuously tunable in the 1.55-μm and 3.4-μm regions, where their utility for high-resolution absorption and coherent Raman spectroscopic measurements are demonstrated by investigations of methane, in the gas phase and in a supersonic free jet. The output radiation has excellent beam quality and its optical bandwidth is shown to be 13 ±10 MHz (0.0043 ± 0.0003 cm^-1), approaching the limit imposed by the Fourier transform of the pulse duration.

Original language	English
Pages (from-to)	753-756
Number of pages	4
Journal	Applied Physics B: Lasers and Optics
Volume	67
Issue number	6
DOIs	https://doi.org/10.1007/s003400050576
Publication status	Published - 1998

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title = "A pulsed optical parametric oscillator, based on periodically poled lithium niobate (PPLN), for high-resolution spectroscopy",

abstract = "We report a pulsed optical parametric oscillator (OPO), incorporating periodically poled lithium niobate (PPLN) and injection-seeded by a tunable diode laser (TDL). This is combined with an optical parametric amplifier (OPA) based on bulk lithium niobate (LNB) to form a modular, high-performance spectroscopic system. The instrument employs a novel intensity-dip control scheme to lock the length of the OPO ring cavity to the continuous-wave seed radiation from a 1.55-μm single-mode TDL. The coherent infrared signal and idler outputs of this TDL-seeded PPLN OPO/LNB OPA system are continuously tunable in the 1.55-μm and 3.4-μm regions, where their utility for high-resolution absorption and coherent Raman spectroscopic measurements are demonstrated by investigations of methane, in the gas phase and in a supersonic free jet. The output radiation has excellent beam quality and its optical bandwidth is shown to be 13 ±10 MHz (0.0043 ± 0.0003 cm-1), approaching the limit imposed by the Fourier transform of the pulse duration.",

author = "Baxter, {G. W.} and Y. He and Orr, {B. J.}",

year = "1998",

doi = "10.1007/s003400050576",

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journal = "Applied Physics B: Lasers and Optics",

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T1 - A pulsed optical parametric oscillator, based on periodically poled lithium niobate (PPLN), for high-resolution spectroscopy

AU - Baxter, G. W.

AU - He, Y.

AU - Orr, B. J.

PY - 1998

Y1 - 1998

N2 - We report a pulsed optical parametric oscillator (OPO), incorporating periodically poled lithium niobate (PPLN) and injection-seeded by a tunable diode laser (TDL). This is combined with an optical parametric amplifier (OPA) based on bulk lithium niobate (LNB) to form a modular, high-performance spectroscopic system. The instrument employs a novel intensity-dip control scheme to lock the length of the OPO ring cavity to the continuous-wave seed radiation from a 1.55-μm single-mode TDL. The coherent infrared signal and idler outputs of this TDL-seeded PPLN OPO/LNB OPA system are continuously tunable in the 1.55-μm and 3.4-μm regions, where their utility for high-resolution absorption and coherent Raman spectroscopic measurements are demonstrated by investigations of methane, in the gas phase and in a supersonic free jet. The output radiation has excellent beam quality and its optical bandwidth is shown to be 13 ±10 MHz (0.0043 ± 0.0003 cm-1), approaching the limit imposed by the Fourier transform of the pulse duration.

AB - We report a pulsed optical parametric oscillator (OPO), incorporating periodically poled lithium niobate (PPLN) and injection-seeded by a tunable diode laser (TDL). This is combined with an optical parametric amplifier (OPA) based on bulk lithium niobate (LNB) to form a modular, high-performance spectroscopic system. The instrument employs a novel intensity-dip control scheme to lock the length of the OPO ring cavity to the continuous-wave seed radiation from a 1.55-μm single-mode TDL. The coherent infrared signal and idler outputs of this TDL-seeded PPLN OPO/LNB OPA system are continuously tunable in the 1.55-μm and 3.4-μm regions, where their utility for high-resolution absorption and coherent Raman spectroscopic measurements are demonstrated by investigations of methane, in the gas phase and in a supersonic free jet. The output radiation has excellent beam quality and its optical bandwidth is shown to be 13 ±10 MHz (0.0043 ± 0.0003 cm-1), approaching the limit imposed by the Fourier transform of the pulse duration.

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