Aug 30 2010
Applied Infrared Sensing, a company specialized in thermal and infrared imaging technologies, has released BaySpec Fiber Bragg Grating (FBG) analyzers, for semiconductor lasers and optical fiber.
The FBG analyzers offer continuous spectrum measurements and high-speed parallel processing, by using an InGaAs array detector, which is ultra sensitive, as detection element, and using Volume Phase Grating as spectral dispersion element.
The FBG analyzer utilizes a tapped signal as an input, obtained through a single mode fiber from the device’s main data transmission link, and collimates the signal with a micro lens. The collimated signal is spectrally dispersed along with the Volume Phase Grating, and later the diffracted field is focused over an InGaAs array detector. To extort the necessary information, the control electronics in the analyzer reads out the digital signal that was processed.
The FBG analyzers come in two models, namely, an infrared FBG analyzer, and a high-speed FBG analyzer. Both the analyzers are integrated spectral engines that feature an internal reference source. The reference source examines multiple wavelengths to measure FBG sensor system precisely. The analyzers offer simultaneous measurements at a remarkable wavelength resolution and fast response rates, and they cover a broad range of wavelengths.
Source: http://www.applied-infrared.com.au/