Photoreflectance and photocurrent measurements using pressure tuned laser diodes

Photoreflectance and photocurrent measurements using pressure tuned laser diodes

Photoreflectance (PR) and photocurrent (PC) measurements have been demonstrated in the 1250–1600 nm spectral range using an external‐cavity pressure‐tuned laser diode as the source of monochromatic light. Compared to conventional PR and PC methods using monochromated light from the lamp, it allows t...

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Veröffentlicht in:Physica Status Solidi. B: Basic Solid State Physics 2013-04, Vol.250 (4), p.708-710
Hauptverfasser: Bercha, Artem, Piechal, Bernard, Dybala, Filip, Klimczak, Mariusz, Ivonyak, Yurii, Trzeciakowski, Witold A.
Format: Artikel
Sprache:eng
Schlagworte:
Beams (radiation)
hydrostatic pressure
Laser diodes
Photocurrent
Photoelectric effect
Photoluminescence
photoreflectance
Polycarbonates
Solid state physics
Spectra
tunable diode lasers
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Beschreibung
Zusammenfassung:Photoreflectance (PR) and photocurrent (PC) measurements have been demonstrated in the 1250–1600 nm spectral range using an external‐cavity pressure‐tuned laser diode as the source of monochromatic light. Compared to conventional PR and PC methods using monochromated light from the lamp, it allows to achieve a smaller spot so that micro‐PR and micro‐PC are possible either directly or with fiber coupled beam. In case of PR, it also allows to eliminate spurious photoluminescence signal.
ISSN:0370-1972
1521-3951
DOI:10.1002/pssb.201200645