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Jun 2007
Avantes Inc.Request Info
The AvaSpec-NIR256 fiber optic spectrometers is based on the AvaBench-50 symmetrical Czerny-Turner design with a 256-pixel InGaAs detector array. The spectrometer has a fiber-optic entrance connector (standard SMA, others possible), collimating and focusing mirror, and diffractional grating.

A choice of three gratings with different dispersion and blaze angles enable applications in the 900- to 2500-nm range. The AvaSpec-NIR256 features a 16-bit AD converter and USB2.0 high-speed interface and is especially suitable for measuring in the near-infrared (NIR) range from 900- to 1750-nm, e.g., plastics and water absorbance.

The AvaSpec- NIR256-2.2/2.5 has a two-stage thermoelectrical Peltier-cooled InGaAs detector suitable for measuring in the NIR range from 1000 to 2200/2500 nm. Digital IO ports enable external triggering and control of shutter and pulsed light sources from the Avantes line of instruments.

The NIR256 series has a USB2 interface with fast data sampling of 940 spectra per second and data transfer in 1.56 msec; it also supports analog inputs and outputs. Optional wireless communication and an SD card for on-board saving of spectra can be added.

The NIR-256-1.7 runs on USB power. The NIR-256-2.2/2.5 comes in a desktop housing and runs on 100-240VAC. Both include AvaSoft-basic, a complete manual and USB interface cable. Multiple (up to 127) USB2 spectrometers with different detector types can be externally coupled.


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The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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