optical filter


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optical filter

[′äp·tə·kəl ′fil·tər]
(computer science)
References in periodicals archive ?
Main manufacturers/suppliers of Mobile Phone Camera Optical Filter worldwide, with company and product introduction, position in the Mobile Phone Camera Optical Filter market
A beam from a white light source passes through an optical filter, which controls the spectrum of the light.
In the digital preamplifier application, the optical preamplifier, including an optical filter, amplifies the signal power before the photodiode so that thermal noise in the receiver electronic circuits has a small influence on the receiver sensitivity, when compared to signal-dependent noise factors, such as signal shot noise and signal-to-ASE beat noise.
In this design, we want to build optical looper and develop in optical filter. The optical looper is a type of wavelength-selective elements that can be used to synthesize a wide class of filter functions.
Specific topics examined include a UV bandpass optical filter for microspectrometers, rapid prototyping of microfluidic systems, modeling of advanced semiconductor devices, and influence of the tunneling gate current in C-V curves.
Tokyo, Japan, Oct 25, 2005 - (JCNN) - Sumitomo Osaka Cement has developed Clearas F-Filter (Hybrid-4), a plasma display panel (PDP) optical filter made of a single sheet of PET (polyethylene terephthalate) film.
The function Q([lambda]) describes the relative spectral response of the detector, s([lambda]) is the relative emission function, and T([lambda]) describes the optical filter used in the instrument.
The incoming light is passed through a wavelength-tunable optical filter that resolves the individual spectral components.
An optical filter then separates the four wavelengths and periodically routes each wavelength at a switching frequency in the kilohertz range to the optical output of the unit.
The cytometer is available in the following configurations: dual-laser red (638 nm) and blue (488 nm), single-laser green (532 nm) or blue (488 [micro]m) and with up to four optical filter colors and six parameters, handyem www.handyem.com, 418-650-5999
Extremely durable optical coatings include anti-reflection, infrared thin film coatings, dark mirrors, patterned optical filters, advanced multispectral optical filter assemblies, dielectric, multilayer, and dichroic filters.
FBG optical filter with 100 GHz and 50 GHz FWHM bandwidth influence on received optical signal BER for 10 Gbit/s is similar to 2.5 Gbit/s case: reliable transmission (BER lower than [10.sup.-9]) is possible only with reduced distance (10 km of SSMF) for two channels 10 Gbit/s DWDM direct transmission system with 100 GHz FBG optical filter and for all 10 Gbit/s DWDM direct transmission system with 50 GHz FBG optical filter.

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