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

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

Research output: Contribution to journalArticle

94 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 languageEnglish
Pages (from-to)1220-1222
Number of pages3
JournalOptics Letters
Volume27
Issue number14
DOIs
Publication statusPublished - Jul 15 2002

Fingerprint

laser arrays
distributed feedback lasers
dye lasers
absorption spectroscopy
sodium vapor
output
waveguide lasers
rhodamine
tunable lasers
wavelengths
spectroscopy
plastics
dyes
chips
sodium
scanning
thresholds
cells
atoms

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

Multiwavelength distributed-feedback dye laser array and its application to spectroscopy. / Oki, Yuji; Miyamoto, Shinichi; Maeda, Mitsuo; Vasa, Nilesh J.

In: Optics Letters, Vol. 27, No. 14, 15.07.2002, p. 1220-1222.

Research output: Contribution to journalArticle

Oki, Yuji ; Miyamoto, Shinichi ; Maeda, Mitsuo ; Vasa, Nilesh J. / Multiwavelength distributed-feedback dye laser array and its application to spectroscopy. In: Optics Letters. 2002 ; Vol. 27, No. 14. pp. 1220-1222.
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