Collimating lens


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Related to Collimating lens: beam collimation
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The MXC uses a collimating lens structure to expand the optical beam by approximately a factor of 4x relative to the fiber core.
This could also be accomplished with a SurfLight[TM] infrared emitter with a collimating lens.
Now, a team researchers led by Randy Polson, PhD, from the University of Utah has developed a device that uses an iPhone's LED flash, digital camera with collimating lens to optimize illumination and focusing, and a specially-designed app to collect an image of a completed TSH assays and, and convert the image into a quantitative TSH values.
The phase hologram is recorded through a 20 D lens, in effect a collimating lens, so that the rays from the central pattern are parallel at the hologram, while the convergence or divergence of other patterns equates to up to [+ or -]2.
The slimmed down system features an improved sensitivity of 10 to 50 ppm, a series of 2048-elements, linear CCD detectors and a seven-fiber optical sampling probe with a 74-UV collimating lens and a sampling lens.
A special collimating lens captures and then focuses the light from the LEDs to the fiber optic panel.
It was built in a mahogany housing for stability and had an adjustable width entrance slit, a 20-cm focal length quartz collimating lens, a Comu quartz prism, a 20-cm quartz camera lens and a plate holder for a 3.
The plate holding the collimating lens is fixed to the base of the spectrograph by a screw riding in a small slot.
Its collimating lens provides a comfortable viewing distance even at very close range.