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Лазер с распределённой обратной связью (РОС-лазер, англ. distributed feedback laser, DFB laser) — инжекционный полупроводниковый лазер, обратная связь в котором создаётся за счёт отражения световых волн от периодической решётки, создаваемой в активной среде. A distributed feedback laser (DFB) is a type of laser diode, quantum cascade laser or optical fiber laser where the active region of the device is periodically structured as a diffraction grating. The structure builds a one-dimensional interference grating (Bragg scattering)... [5]. B. K. Das et al., “Distributed feedback-distributed Bragg reflector (DFB-DBR) coupled cavity laser with Ti:(Fe:)Er:LiNbO3 waveguide”, Opt. Lett. Distributed feedback laser (DFB laser) Макаров: лазер c распредёленной обратной связью (РОС-лазер), РОС-лазер (лазер c распредёленной обратной связью)... Description. In the injection heterolasers with distributed feedback (DFB lasers) to create a feedback one of the heterointerfaces is corrugated, which creates a periodic variation in the refractive index and leads to an interference reflection (see Fig.). DFB – Distributed Feedback Diodes nanoplus sets the standard for DFB laser technology. Since more than 15 years, nanoplus has been the technology leader for ultra-precise distributed feedback lasers. They are used for high performance gas sensing applying tunable diode laser spectroscopy. Semiconductor Optoelectronics (Farhan Rana, Cornell University) Chapter 13 Distributed Feedback (DFB) Structures and Semiconductor DFB Lasers 13.1 Distributed Feedback (DFB) Gratings in Waveguides 13.1.1 Introduction: Periodic structures, like the DBR mirrors in VCSELs... A distributed feedback laser (DFB) is a type of laser diode, quantum cascade laser or optical fibre laser where the active region of the device is periodically structured as a diffraction grating. Distributed Feedback (DFB): Distributed Feedback (DFB) Diode Lasers are fixed wavelength single mode diode lasers. Typical geometrical sizes of the laser chip are 1000µm x 500µm x 200µm (length x width x height). Информация взята v3.kz |
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