(Lasers)
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Although HeNe gas lasers offer exceptional reliability and optical quality, users are quickly replacing them in their OEM applications with semiconductor laser diode technology. Laser diode modules... (View Full Article)
(Light Sources)
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A laser diode naturally produces a beam that is divergent, elliptical, and astigmatic. A variety of optical procedures are available to correct for these deficiencies, procedures that enable a laser... (View Full Article)
(Diodes)
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All of Power Technology's systems are linearly polarized. Index guided diodes typically have a polarization ratio between 50:1 and 100:1. For wide stripe diodes, the polarization ratio is typically... (View Full Article)
(Lasers)
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The Helium Neon laser is one of the most economical and commonly used gas lasers on the market. The laser is typically designed to operate in the red at 632.8nm, although many users find it beneficial... (View Full Article)
(Lasers)
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Power Technology, Inc.'s infrared viewers work by focusing the infrared light reflected by or emitted from a chosen subject onto the image tube. An electron image is generated in accordance with the... (View Full Article)
(Lasers)
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A number of questions and misconceptions surround the laser diode. Are all laser diode specifications identical? Do single-mode diodes always operate as single-mode? What effect does temperature... (View Full Article)
(Lasers)
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A laser diode naturally produces a beam that is divergent, elliptical, and astigmatic. A variety of optical procedures are available to correct for these deficiencies, procedures that enable a laser... (View Full Article)
(Light Sources)
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Accessible emission level: The magnitude of accessible laser (or collateral) radiation of a specific wavelength or emission duration at a particular point. Also means radiation to which human access... (View Full Article)
(Light Sources)
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The typical human eye can detect lightwaves that range from red to violet. We sense these lightwaves as color, violet being the shortest wavelength and red the longest. In fact, red waves are... (View Full Article)
(Light Sources)
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A ballast resistor is a mechanism placed in series with a HeNe gas laser anode. The unit works to promote a stable electrical discharge and to prevent the laser from oscillating. The rating of the... (View Full Article)