The demonstration will be held at the Analog Devices booth (Hall A4 Stand 159). The Stroker 785L combines a ƒ/1.3 spectrometer using a free-space VPH (volume phase holographic) grating, a stabilised 785-nm laser, and a scientific CCD (charge-coupled device) camera that integrates ADI’s precision A/D converter technology.
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“The Stroker 785L can identify substances by optically probing the inherent molecular vibrational fingerprints through measurement of the laser-induced amplitude and frequency shift of the scattered light. This compact system can be used in pharmaceutical, narcotic and explosives identification in real time – and from a safe distance,” said Scott Norton, VP Engineering at Wasatch Photonics. “This demonstration offers engineers an example of how laboratory-based performance can be achieved in a compact form factor by combining high-quality parts and innovation in electrical, optical and mechanical engineering.”
About Wasatch Photonics’ Stroker 785L Raman Spectrometer with 785-nm Laser
The Wasatch Photonics’ Stroker 785L combines Wasatch’s Stroker ƒ/1.3 spectrometer technology with its proprietary free space VPH grating, a customised high-performance CCD camera that integrates ADI’s AD7980 16-bit, 1 MSPS PulSAR® A/D converter, and a stabilized 785-nm laser package to deliver the highest throughput in a miniature Raman spectrometer on the market. The front-end optical module matches the ƒ/1.3 spectrometer input to maintain maximum efficiency. High-performance hard coated filters are used to maximise transmission and minimise Rayleigh scattering. A 120-mW, 785-nm laser is TEC and VBG (volume Bragg grating) stabilised resulting in ultra-stable performance over time and temperature.