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Optics Letters

Optics Letters


  • Vol. 26, Iss. 7 — Apr. 1, 2001
  • pp: 423–425

Absolute wavelength calibration of pulsed lasers by use of machine vision

T. Nayuki, T. Fujii, and K. Nemoto  »View Author Affiliations

Optics Letters, Vol. 26, Issue 7, pp. 423-425 (2001)

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We developed a new absolute wavelength calibration system that uses machine vision for measurement of low-repetition-rate, short-pulse-duration (10-Hz, 5-ns) tunable lasers. Weak fluorescence from an iodine cell was measured by use of machine vision as a spatially gated integrator, and a pulsed dye-laser wavelength was calibrated with an accuracy of ±0.005 nm , which is precise enough for differential absorption lidar application.

© 2001 Optical Society of America

OCIS Codes
(040.7290) Detectors : Video
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(140.3600) Lasers and laser optics : Lasers, tunable
(150.3040) Machine vision : Industrial inspection
(280.1910) Remote sensing and sensors : DIAL, differential absorption lidar
(300.2530) Spectroscopy : Fluorescence, laser-induced

T. Nayuki, T. Fujii, and K. Nemoto, "Absolute wavelength calibration of pulsed lasers by use of machine vision," Opt. Lett. 26, 423-425 (2001)

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