Multiwavelength distributed-feedback dye laser array and its application to spectroscopy

Yuji Oki; Shinichi Miyamoto; Mitsuo Maeda; Nilesh J. Vasa

doi:10.1364/OL.27.001220

Multiwavelength distributed-feedback dye laser array and its application to spectroscopy

Yuji Oki, Shinichi Miyamoto, Mitsuo Maeda, Nilesh J. Vasa

Department of I&E Visionaries

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

102 Citations (Scopus)

Abstract

A multiwavelength, multistripe tunable laser array is proposed, and its application to absorption spectroscopy is demonstrated. Laser waveguides doped with Rhodamine 6 G dye were integrated on a plastic chip, and simultaneous output at different wavelengths was obtained by use of a distributed-feedback technique. A very low threshold of 3 μJ was attained, and spectrally narrowed output (<0.1 nm) was obtained. A scheme for digital spectroscopy is also proposed based on this laser array, and absorption spectroscopy of sodium atoms without wavelength scanning is demonstrated by use of a sodium-vapor cell.

Original language	English
Pages (from-to)	1220-1222
Number of pages	3
Journal	Optics Letters
Volume	27
Issue number	14
DOIs	https://doi.org/10.1364/OL.27.001220
Publication status	Published - Jul 15 2002

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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AU - Oki, Yuji

AU - Miyamoto, Shinichi

AU - Maeda, Mitsuo

AU - Vasa, Nilesh J.

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Y1 - 2002/7/15

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AB - A multiwavelength, multistripe tunable laser array is proposed, and its application to absorption spectroscopy is demonstrated. Laser waveguides doped with Rhodamine 6 G dye were integrated on a plastic chip, and simultaneous output at different wavelengths was obtained by use of a distributed-feedback technique. A very low threshold of 3 μJ was attained, and spectrally narrowed output (<0.1 nm) was obtained. A scheme for digital spectroscopy is also proposed based on this laser array, and absorption spectroscopy of sodium atoms without wavelength scanning is demonstrated by use of a sodium-vapor cell.

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Multiwavelength distributed-feedback dye laser array and its application to spectroscopy

Abstract

All Science Journal Classification (ASJC) codes

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