Detection system for birefringence measurement
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United States of America Patent
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Aug 27, 2013
Grant Date -
Dec 27, 2012
app pub date -
Aug 17, 2012
filing date -
Sep 26, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system for controlling a light beam in an optical setup includes a light source that directs a collimated light beam along a path, through a sample, and toward the active area of a stationary detector. A lens is selectively movable into the path of the light beam for spreading the beam in instances where the path of the beam is altered by the sample between the source and the stationary detector. The detector, therefore, is held stationary. Adjustment mechanisms are provided for increasing the intensity characteristic of the light that reaches the detector to account for a decrease in intensity that occurs when the lens is in the path of the light beam to spread the beam.
First Claim
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International Classification(s)
- G01J:MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTE....
- G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....
- G05D:SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC....
- G01B:MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIME....
- B60Q:ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE....
- H03G:CONTROL OF AMPLIFICATION
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