Laser Diode LD

• Visible red laser diodes, Infrared laser diodes, pulse laser diodes,   and Communication laser diodes
• High Quality and Low Cost
• Wide Range of Wavelength (635 nm - 1550 nm) 
• Output Power (5 mW - 1000 mW)
• Package: TO-3, TO-5 (dia. 9 mm), TO-18 (dia. 5.6 mm), TO-46 & C-block 
• Connectorized (pigtailed & receptacle) packages also available

Common wavelengths

• 375 nm – excitation of Hoechst stain, Calcium Blue, and other fluorescent dyes in fluorescence microscopy
• 405 nm – InGaN blue-violet laser, in Blu-ray Disc and HD DVD drives
• 445 nm – InGaN Deep blue laser multimode diode recently introduced (2010) for use in mercury free high brightness data projectors
• 473 nm – Bright blue laser pointers, still very expensive, output of DPSS systems
• 485 nm – excitation of GFP and other fluorescent dyes
• 510 nm - Green diodes recently (2010) developed by Nichia for laser projectors.
• 532 nm – AlGaAs-pumped bright green laser pointers, frequency doubled 1064 nm Nd:YAG laser or (more commonly in laser pointers) Nd:YVO4 IR lasers (SHG)
• 593 nm – Yellow-Orange laser pointers, DPSS
• 635 nm – AlGaInP better red laser pointers, same power subjectively 5 times as bright as 670 nm one
• 640 nm – High brightness red DPSS laser pointers
• 657 nm – AlGaInP DVD drives, laser pointers
• 670 nm – AlGaInP cheap red laser pointers
• 760 nm – AlGaInP gas sensing: O2
• 785 nm – GaAlAs Compact Disc drives
• 808 nm – GaAlAs pumps in DPSS Nd:YAG lasers (e.g. in green laser pointers or as arrays in higher-powered lasers)
• 848 nm – laser mice
• 980 nm – InGaAs pump for optical amplifiers, for Yb:YAG DPSS lasers
• 1064 nm – AlGaAs fiber-optic communication
• 1310 nm – InGaAsP fiber-optic communication
• 1480 nm – InGaAsP pump for optical amplifiers
• 1512 nm – InGaAsP gas sensing: NH3
• 1550 nm – InGaAsP fiber-optic communication
• 1625 nm – InGaAsP fiber-optic communication, service channel
• 1654 nm – InGaAsP gas sensing: CH4
• 1877 nm – GaSbAs gas sensing: H2O
• 2004 nm – GaSbAs gas sensing: CO2
• 2330 nm – GaSbAs gas sensing: CO
• 2680 nm – GaSbAs gas sensing: CO2

Application of Laser Diode:

• Alignment
• Blood analysis
• Cancer detection
• Compact disc mastering
• Confocal microscopy
• Capillary electrophoresis
• Display & entertainment
• DNA analysis
• Flow cytometry
• Genomics
• High-speed printing
• Holography
• Imaging on film
• Inspection
• Interferometry
• Laser-induced fluorescence
• LIDAR
• Lithography
• Machine vision
• Materials processing
• Metrology
• Particle counting
• Pathogen detection
• Raman spectroscopy
• Rangefinding
• Remote optical sensing
• Reprographics
• Shear Interferometry
• Stereolithography
• Telecommunications
• X-ray film marking

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