Blue-green small-signal gain and saturation in a luminescent polymer gain medium
T Kobayashi, M Flämmich, G Jordan, R D'Arcy… - Applied physics …, 2006 - pubs.aip.org
The authors study the optical gain and saturation behavior in a blue-green-emitting
luminescent polymer gain medium. Based on the results of amplified spontaneous emission
measurements, the gain coefficients, the gain-length product, and the corresponding small-
signal gain are determined. By the use of the variable stripe length method, large net gain
coefficients of up to 106±6 cm− 1 have been measured under nanosecond photopumping.
The large gain has favorable implications for the development of short wavelength lasers …
luminescent polymer gain medium. Based on the results of amplified spontaneous emission
measurements, the gain coefficients, the gain-length product, and the corresponding small-
signal gain are determined. By the use of the variable stripe length method, large net gain
coefficients of up to 106±6 cm− 1 have been measured under nanosecond photopumping.
The large gain has favorable implications for the development of short wavelength lasers …
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