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vcsel

Laser Focus World - January 2015

Laser Focus World - January 2015

…measurements, very fast rise and fall times are needed, explains Ghosh. VCSEL arrays give very fast rise and fall times, typically <300 ps, and rise and fall times of <100 ps can be obtained with low-inductance submounts. VCSEL arrays also have a narrow emission wavelength (<1 nm) and low variation…

Laser Focus World - January 2015

Laser Focus World - January 2015

…laser-diode arrays, which are made of stacks of individual or multistripe laser diodes, or in some cases vertical-cavity surfaceemitting lasers (VCSELs), can put out watts to kilowatts of optical power for uses such as laser pumping, industrial heating, illumination, or as the input for fiber-optic…

Laser Focus World - January 2015

Laser Focus World - January 2015

…measurements, very fast rise and fall times are needed, explains Ghosh. VCSEL arrays give very fast rise and fall times, typically <300 ps, and rise and fall times of <100 ps can be obtained with low-inductance submounts. VCSEL arrays also have a narrow emission wavelength (<1 nm) and low variation…

Photonics Spectra - July 2017

Photonics Spectra - July 2017

…Ulm, Germany, and Eindhoven, the Netherlands. The company is a leading supplier of vertical-cavity surface-emitting lasers (VCSELs), according to Pankert. He added that VCSELs are prime candidates for upcoming automotive lidar applications. For this use, the ability of semiconductor lasers to handle…

Optically-Pumped-Semiconductor-Laser-Brochure.pdf

Optically-Pumped-Semiconductor-Laser-Brochure.pdf

…scale to higher powers not available from conventional electrically pumped VCSELs. In an OPSL the large chip area needed for higher powers can easily be pumped optically, while in the case of electrically pumped VCSELs the extended electrodes would introduce extended losses. Furthermore OPSL…

Photonics Spectra - July 2017

Photonics Spectra - July 2017

…time off, particularly since quantum dots must currently be optically pumped. When asked about the future, Philips Photonics' Pankert predicted that VCSELs and, by extension, semiconductor lasers, will someday be present in every mobile device, every home and every car -- in other words, everywhere.…

Optically-Pumped-Semiconductor-Laser-Brochure.pdf

Optically-Pumped-Semiconductor-Laser-Brochure.pdf

…scale to higher powers not available from conventional electrically pumped VCSELs. In an OPSL the large chip area needed for higher powers can easily be pumped optically, while in the case of electrically pumped VCSELs the extended electrodes would introduce extended losses. Furthermore OPSL…

Laser Focus World - January 2015

Laser Focus World - January 2015

…measurements, very fast rise and fall times are needed, explains Ghosh. VCSEL arrays give very fast rise and fall times, typically <300 ps, and rise and fall times of <100 ps can be obtained with low-inductance submounts. VCSEL arrays also have a narrow emission wavelength (<1 nm) and low variation…

Sapphire-Advantage-Low-Noise.pdf

Sapphire-Advantage-Low-Noise.pdf

…intracavity frequency doubling. Figure 1 schematically illustrates the main components of an OPSL laser such as the Coherent Sapphire. A large area VCSEL (vertical cavity surface emitting laser) type chip is pumped by one or more laser diodes. This monolithic III-V semiconductor chip contains layers…

Photonics Spectra - July 2017

Photonics Spectra - July 2017

…Ulm, Germany, and Eindhoven, the Netherlands. The company is a leading supplier of vertical-cavity surface-emitting lasers (VCSELs), according to Pankert. He added that VCSELs are prime candidates for upcoming automotive lidar applications. For this use, the ability of semiconductor lasers to handle…

Laser Focus World - January 2015

Laser Focus World - January 2015

…electroplating typically doesn't." VCSEL arrays for imaging and gesture recognition High-power laser-diode arrays don't have to be made up of edge-emitting diodes. For example, Princeton Optronics (Mercerville, NJ) makes arrays of verticalcavity surface-emitting lasers (VCSELs) for illumination and…

Laser Focus World - January 2015

Laser Focus World - January 2015

…electroplating typically doesn't." VCSEL arrays for imaging and gesture recognition High-power laser-diode arrays don't have to be made up of edge-emitting diodes. For example, Princeton Optronics (Mercerville, NJ) makes arrays of verticalcavity surface-emitting lasers (VCSELs) for illumination and…

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