IMAGE AMPLIFICATION BY DYE LASERS
- 15 February 1971
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 18 (4) , 108-110
- https://doi.org/10.1063/1.1653584
Abstract
Wide‐angle high‐gain image amplification has been achieved with several organic dye solution lasers. Rhodamine 6G, rhodamine B, or fluorescein disodium salt in ethanol, side pumped by a nitrogen laser, were used. With excitation pulses of 10−4 J and an active volume of about 1.3×0.1×0.1 mm3, a single‐pass gain of 23 dB/mm and a diffraction‐limited resolution of more than 104 distinguishable spots have been observed.Keywords
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