Original title:
Measurements of Residual Reflectivity and Wavelength of Coated Laser Diodes
Authors:
Růžička, Bohdan ; Lazar, Josef ; Wilfert, O. Document type: Papers Conference/Event: Radioelektronika 2001 /11./, Brno (CZ), 2001-05-10 / 2001-05-11
Year:
2001
Language:
eng Abstract:
This contribution presents experimental results obtained by deposition of double-layer system made by means of electron-beam vacuum evaporation technique. We oriented our effort to short-wavelength 633 - 635 nm laser diodes. These devices are emitting close to the wavelength of traditional He-Ne lasers with an intention to use them in extended-cavity laser design for metrological purposes. The resulting reflectivities were evaluated by measuring a testing plate of GaAs and by measuring a "modulation depth" of a coated diode emission spectra. Our best results were reflectivities well below 10 -4 and the repeatibility of the deposition process in a range not exceeding 2x10 -4 .
Keywords:
electron beam vacuum evaporation technique Project no.: CEZ:AV0Z2065902 (CEP), GA101/98/P270 (CEP), IAA2065803 (CEP) Funding provider: GA ČR, GA AV ČR Host item entry: 11th International Czech - Slovak Scientific Conference Radioelektronika 2001 Conference Proceedings, ISBN 80-214-1861-3 Note: Související webová stránka: mailto:ruzicka@isibrno.cz
Institution: Institute of Scientific Instruments AS ČR
(web)
Document availability information: Fulltext is available at the institute of the Academy of Sciences. Original record: http://hdl.handle.net/11104/0101005