NakuLaser Blog

A systematic study of a simple and general structure for on-chip semiconductor lasers by A*STAR researchers sets the scene for much broader application of integrated semiconductor lasers beyond conventional silicon-based systems. The ability to use, manipulate and sense light is applicable to many technologies, from data interconnection and fiber optics to optical sensors and optical storage systems. One such non-silicon-based application is a new type of data storage system called heat-assisted magnetic recording (HAMR), which researchers at the A*STAR Data Storage Institute have been working on as a next-generation data storage technology. HAMR uses integrated lasers for fast and precise micro-spot heating of a magnetic medium, but requires the laser to be formed on aluminum-titanium-carbide (AlTiC) rather than silicon. This presented Chee-Wei Lee and his colleagues with a significant problem, since the silicon substrate plays in integral role in producing the laser light. ...

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1550nm FIR infrared DPSS laser with output power from 500mW to 2000mW. The output power is customized, according to  your requirements. -- www.nakulaser.com Specifications:  Wavelength(nm) 1550±10 nm Output power(mW) < 2W ( 500mW - 2000mW, the price is for 2000mW) Transverse mode Multimode Operating mode CW or Modulation Power stability (over 4 hours) <5%  Warm-up time(minutes) <5 Cooling Method TEC M2 factor <20 Beam divergence full angle(mrad) <2.0 Dimensions of beam at the aperture(mm) <6 Beam height from base plate(mm) 29 Polarizayion ration >100:1 Pointing stability after warm-up(mrd) <0.05 Operating temperature(℃) 10~35 Modulation Method TTL or Analog modulation (0~30KHz) Expected lifetime(hours) 10,000 Laser Head Size 153 * 77 * 60 mm Power Supply Size 250 * 200 * 150 mm Warranty 1 year

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The IQ1C250(473-300) laser from Power Technology Inc. is an instrument quality laser diode module for high-end OEM applications.  The IQ1C250(473-300)is available with digital or analog modulations. The new module offers 3 times the previously available power in this wavelength with 300 mW.  The IQ1C250(473-300) features a collimated beam with diffraction limited technology, provides a typical wavelength of 473 nm compared to the 488 nm by previous generation models and operates optimally from 8 VDC rather than 12 VDC. The versatility of the module makes it ideal for a range of uses including bioanalysis, fluorescence and Raman spectroscopy.  source:https://www.photonics.com/Product.aspx?PID=6&VID=146&IID=979&PRID=61945 www.civillaser.com