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Spectral Filter

Spectral Filter news and technical articles from Laser Focus World. Search Spectral Filter latest and archived news and articles

  1. MULTISPECTRAL/HYPERSPECTRAL IMAGING: CMOS takes hyperspectral imaging beyond the laboratory

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    Sun, 1 May 2011

    … over time, every line will be captured by every spectral filter on the module. In addition to this novel scanning ..... Fig. 3). FIGURE 3. A performance comparison of spectral filter response is shown for different levels of hyperspectral …

  2. FLIR's fully integrated NIR camera is designed for science and R&D

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    Mon, 19 Oct 2009

    … allowing the camera to render certain types of media transparent or opaque. For example, with the appropriate spectral filter , the camera can "see" through paint to detect images below the surface, such as those in art restoration projects …

Related Topics:

  1. Filters
  2. Bandpass Filter
  3. Mid-Ir
  4. Fabry Perot
  5. Mode Locked
  6. Hyperspectral Imager
  1. Submicron ­ photo­lithography opens new areas of holographic design

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    Fri, 1 Oct 2004

    … include high-performance spectral filters and wavelength multiplexers. For example, an integrated holographic spectral filter can be created in which light enters from an input channel waveguide and expands in the slab waveguide, interacting with …

  2. OPTOELECTRONIC APPLICATIONS: SPECTROSCOPY - MEMS put NIR spectroscopy in the hands of non-techies

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    Fri, 1 Jun 2007

    … MEMS spatial light modulator that is very small, requires very little power to operate, and functions as a tunable spectral filter based on diffraction,” said Yariv Geller, director of business development and marketing at Polychromix. “And …

  3. Newsbreaks

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    Wed, 1 Jun 2005

    … couple with modes in the higher-index ring, with the coupling dependent on wavelength-resulting in a fiberoptic spectral filter . To flatten the output of a diode-pumped broadband amplified-spontaneous-emission fiber source, the researchers …

  5. Chaotic-shift keying offers secure communication

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    Mon, 1 Oct 2001

    … Bragg reflector laser is fed back via a nonlinear spectral filter and time delay, causing a chaotic shift in wavelength ..... the researchers use a feedback loop with a nonlinear spectral filter to provide the mechanism for chaotic emission from …

  6. Image processing for remote sensing needs more than software

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    Mon, 1 Sep 1997

    … missions of the 1960s. At that time, the imaging systems consisted of multiple Hasselblad cameras, each fitted with a spectral filter for a particular frequency band, says Schowengerdt, who worked as a graduate student on one of those missions …

  7. New Products

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    Thu, 1 Jul 1999

    … Photonics Industries, Stony Brook, NY For Info Circle 307 or go to OptoLink Variable spectral filter Click here to enlarge image The Linear Variable Spectral Filter changes its peak transmission wavelength along the length of the filter, with the …

  8. Extreme-UV sources are on track for next-generation chip manufacturing

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    Sat, 1 Feb 2003

    … results in the need for a debris mitigation system. In addition, the production of excess peripheral heat requires a spectral filter and other thermal management capabilities. An LPP system, on the other hand, does not require spectral purity filters …

  9. DIGITAL IMAGING - Digital interferometer reconstructs 3-D images

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    Sun, 1 Aug 1999

    … Other elements in the optical system were a mechanical shutter at the interferometer input, a 3-nm bandpass spectral filter centered on a wavelength of 633 nm at the output plane, and a 512 x 512-pixel back-illuminated charge-coupled …

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