Journal ArticleDOI
Increasing Absorption Bistability of CdS at Room Temperature
TLDR
In this paper, the authors investigated the switching behavior of two beams and the switching behaviour of optical bistability at room temperature due to lattice heating of CdS in a fully cw-regime.Abstract:
Visible-wavelength increasing absorption bistability at room temperature is shown due to lattice heating of CdS in a fully cw-regime. Cross talk of two beams and the switching behaviour of the bistable system are investigated. For the first time critical slowing down is demonstrated for this type of optical bistability. Quantitative theoretical investigations based on the heat flow equations yield an excellent agreement with the experimental data.
Optische Bistabilitat infolge wachsender Absorption im sichtbaren Wellenlangenbereich bei Raumtemperatur durch eine Gittererwarmung von CdS in einem vollig stationaren Regime wird gezeigt. Das Ubersprechen zwischen zwei Lichtstrahlen und das Schaltverhalten des bistabilen Systems werden untersucht. Erstmalig wird „critical slowing down” fur diesen Typ optischer Bistabilitat demonstriert. Quantitative theoretische Untersuchungen, die von der Warmeleitungsgleichung ausgehen, ergeben eine ausgezeichnete Ubereinstimmung mit den experimentellen Ergebnissen.read more
Citations
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Journal ArticleDOI
Preparation, characterization, and bistable photoconduction properties of thin CdS layers
TL;DR: In this paper, the authors investigated optoelectronic features of various CdS layers, pointing out especially the bistability in photoconduction presented by thermo-optical hysteresis.
Journal ArticleDOI
Thermal focusing and optical bistability in ferroelectrics
TL;DR: In this article, a review of thermal focusing and optical bistability arising from the temperature dependence of the refractive index in ferroelectrics is presented, where the authors compare the predictions of theoretical models with experimental results for ferroelectric ceramics and crystals.
Journal ArticleDOI
Optical Nonlinearity and Bistability of Wide-Gap II-VI Compounds
TL;DR: In this article, optical nonlinearity and bistability at room temperature in the wavelength range from 500 to 700 nm were investigated. And the underlying physical mechanisms were discussed and low power operation as well as fast switching on the ps time-scale was demonstrated.
Journal ArticleDOI
Photoconduction and thermo-optical hysteresis measurements in thin CdS films
TL;DR: In this article, the authors presented an investigation of thin CdS films (2-10 μm) prepared by three different techniques: evaporation, spray deposition method and CSVT (closed space vapor transport).
Journal ArticleDOI
Luminescence investigations performed on differently prepared thin cds layers
TL;DR: In this article, low temperature luminescence measurements (2K) performed on differently prepared thin (2-10 μm) cadmium sulfide deposited on various substrates (glass, quartz, pyrex and CaF 2 ).
References
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BookDOI
Optical bistability III
Journal ArticleDOI
Optical bistability observed in amorphous semiconductor films
J. Hajtó,I. Jánossy +1 more
TL;DR: The optical properties of amorphous self-supporting GeSe1 films show strong non-linear behaviour under the influence of relatively low-intensity c.w. laser irradiation as discussed by the authors.
Journal ArticleDOI
Optical bistability and differential gain resulting from absorption increasing with excitation
TL;DR: In this article, an extended theoretical discussion of a novel general method of obtaining optical bistability is given, which uses absorption that increases as the material becomes more excited and requires no mirrors or other external feedback.
Journal ArticleDOI
Intrinsic absorptive optical bistability in CdS
TL;DR: In this article, an intrinsic absorptive optical bistability is observed in the transmission of high intensity, nanosecond laser pulses through thin CdS platelets at liquid helium temperature.
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