Abstract.
The effect of externally injected radiation on the two-photon laser-induced amplified spontaneous emission (TP-LIASE) is reported. The wave generated via the same LIASE process in a seeder cell acts as a seeder field for the inverted medium created in a main cell. A nearly tenfold gain is achieved in the B1 Σ +?A1 Π (0, 3) transition of the CO molecule. We demonstrate that the single rotational transition in the B1 Σ +?A1 Π (0, 4) band is selectively amplified by injection of laser radiation. This pump and seed arrangement facilitates detection of molecular spectra by simply tuning the seed-laser frequency. The polarization effect of the input laser radiation is briefly discussed.
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Received: 9 June 2000 / Revised version: 2 October 2000 / Published online: 21 February 2001
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Sakoda, A., Mutoh, H. & Tsukiyama, K. Effect of externally injected radiation on amplified spontaneous emission in CO . Appl Phys B 72, 411–415 (2001). https://doi.org/10.1007/s003400100524
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DOI: https://doi.org/10.1007/s003400100524