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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

…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

…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…

28-31 LS10-02-43  druck

28-31 LS10-02-43 druck

…Anlagesystem von wesentlicher Bedeutung. Der >ThinFilmStarThinFilmStarTO-46TO-46< mit Mikrolinse sowie Receptacle-Ausführungen, beispielsweise ST-TOAS. Neumüller Fenner Elektronik GmbH, 85570 Markt Schwaben, Tel. 0 81 21 /25 83 -0, Fax 0 81 21 /25 83 -80, www.neumueller.com Günstige VCSEL

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…

photonik intl 2009 1 online 004 300dpi.pdf

photonik intl 2009 1 online 004 300dpi.pdf

…the ease of power scaling. A key to this is the lack of thermal lensing in the thin VCSEL, unlike a DPSS laser where thermal lensing in the neodymium-doped laser rod is a major concern. The reason is that the VCSEL structure is thin enough to be efficiently cooled without developing a significant…

60390-344.indd

60390-344.indd

0611lfoe01f2 Dichroic coating Doubling crystal Cavity mirror Output coupler VCSEL chip Coupling optics Pump diode extended emission area lowers source brightness, negating one of the main advantages of lasers. How much laser power will these applications require? For a 50 in. (diagonal) TV the…

EOdec10 pp01 Cover.indd

EOdec10 pp01 Cover.indd

…issue. Normally, these thin (<10µm thick) VCSEL structures are grown on a substrate around 100 to 300µm thick, and whose low thermal conductivity represents a limiting factor in heat removal. We created a unique packaging design in which the VCSEL structure is grown upside down. It is then…

EOdec10 pp01 Cover.indd

EOdec10 pp01 Cover.indd

…issue. Normally, these thin (<10µm thick) VCSEL structures are grown on a substrate around 100 to 300µm thick, and whose low thermal conductivity represents a limiting factor in heat removal. We created a unique packaging design in which the VCSEL structure is grown upside down. It is then…

EOdec10 pp01 Cover.indd

EOdec10 pp01 Cover.indd

…issue. Normally, these thin (<10µm thick) VCSEL structures are grown on a substrate around 100 to 300µm thick, and whose low thermal conductivity represents a limiting factor in heat removal. We created a unique packaging design in which the VCSEL structure is grown upside down. It is then…

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…

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…

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