An independently tunable, collinear, variable delay, two-wavelength dye laser

The paper presents a novel resonator scheme consisting of two coupled dye laser resonators to obtain independently tunable and collinear two-wavelengths having adjustable delay between them. A single grating is used to provide dispersion and coupling. With 510.6 and 578.2 nm of copper vapor laser to...

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Bibliographic Details
Published in:Optics communications 1998-07, Vol.153 (1), p.68-72
Main Authors: Khare, R, Daulatabad, S.R, Sharangpani, K.K, Bhatnagar, R
Format: Article
Language:English
Subjects:
Coupled resonator
Dye lasers
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Laser optical systems: design and operation
Lasers
Optics
Physics
Resonators, cavities, amplifiers, arrays, and rings
Rhodamine 6G
Sulforhodamine B
Two-wavelength dye laser
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Summary:The paper presents a novel resonator scheme consisting of two coupled dye laser resonators to obtain independently tunable and collinear two-wavelengths having adjustable delay between them. A single grating is used to provide dispersion and coupling. With 510.6 and 578.2 nm of copper vapor laser to pump Rhodamine 6G and Sulforhodamine B dyes respectively the collinear outputs could be tuned over 566 to 606 nm and 600 to 640 nm with individual bandwidths of 0.24 cm −1. By changing the path-difference between the pump beam components, the delay between the two wavelengths could be varied from 21 to 30 ns.
ISSN:0030-4018
1873-0310
DOI:10.1016/S0030-4018(98)00257-0