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Beam Divergence

Beam Divergence news and technical articles from Laser Focus World. Search Beam Divergence latest and archived news and articles

  1. Zoom beam expanders correct for laser-beam divergence

    Article

    Mon, 13 Jul 2009

    … magnification of 1-3X and 2-8X corrects for laser beam divergence Edmund Optics (EO), the premier provider of optical ..... 2-8X with adjustable focus to correct for laser beam divergence . Ideal for high power laser applications Edmund Optics …

  2. Tapered QC lasers reduce beam divergence

    Article

    Tue, 1 Jan 2008

    … optical communications, and imaging, their high beam divergence (typically about 48º for ridge-waveguide devices ..... minimized. The 200 mW tapered QC lasers have a horizontal beam divergence of only 6.6º in the single-lobe far field at …

Related Topics:

  1. Beam Expander
  2. Beam Combiner
  3. Beam Analysis
  4. Beam Profiler
  5. Beam Positioning
  6. Numerical Aperture
  1. Illuminator from Princeton Optronics offers 18-degree beam divergence

    Article

    Mon, 14 Feb 2011

    … illumination for distances upto several hundred meters. VCSEL based illuminators are free from speckle and has a beam divergence of 18 deg. Custom configuration would be available for <1 deg divergence. The illuminator does not need any cooling …

  2. PLASMONICS: Surface-plasmon collimation narrows the beam of semiconductor lasers

    Article

    Mon, 1 Sep 2008

    … semiconductor lasers have a wide beam divergence , requiring bulky optics and ..... semiconductor lasers with an intrinsic beam divergence 25 times smaller than that of conventional ..... plasmonic collimator to narrow the beam divergence of quantum-cascade-laser …

  3. Low-noise green-emitting laser

    Print

    Sun, 1 Sep 1996

    … noise less than 0.5% from 10 H¥to 50 MHz. Power consumption is 10 W from a standard 110/220 Vac line. Beam divergence is 2 mrad, and beam diameter is less than 0.4 mm. The rms stability over two hours is 3%. The system, for applications …

  5. Fiber collimator

    Print

    Thu, 1 Oct 1998

    … devices work at 1310 or 1550 nm and offer insertion loss of less than 0.3 dB and return loss of less than -60 dB. Beam divergence is less than 0.20°, and a typical collimated beam diameter is 430 µm. LightPath Technologies, Albuquerque …

  6. Green entertainment laser

    Print

    Fri, 1 Dec 1995

    … planetariums. The laser runs on 220-V, 50-A single-phase power or a 208-V, 30-A three-phase power supply. Beam divergence is less than 4 mrad, and beam diameter at exit aperture is 6 mm. The laser resonator measures 40 ¥ 8 ¥ 19 in …

  7. Green entertainment laser

    Print

    Tue, 1 Aug 1995

    … and planetariums. The laser runs on 220-V 50-A single-phase or a 208-V 30-A three-phase power supply. Beam divergence is less than 7 mrad, and beam diameter at exit aperture is 4 mm. The laser resonator measures 40 ¥ 8 ¥ 19 in …

  8. ULTRAFAST OPTICS: Tilted retroreflector array alters ultrafast temporal pulse shape

    Print

    Wed, 2 May 2012

    … spectral width of 120 nm full width at half maximum (FWHM), a 250 mW average power, an 80 MHz repetition rate, and a beam divergence of about 0.1°. To start, the pulses were reflected along the prism axis of the retroreflector for no relative …

  9. CHIRPED-PULSE AMPLIFICATION: Synchronized CPAs produce ultrashort pulses for pump-probe experiments

    Article

    Mon, 5 Dec 2011

    … a 4.8 m total computer-controlled optical delay. Before entering the delay line, a 2X telescope reduces the beam divergence . A block diagram shows how to create a delay for pump-probe experiments by synchronizing two amplifiers, slave …

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