Compact high resolution monochromatic light source for fluid sample concentration measurement
AssigneeRepligen Corporation
InventorsMatthew Muller, Richard Hall, III, Yusheng Zhang, Peter Halatin
Life of this patent
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Abstract
A compact light source for coupling to a movable optic probe may include a light emitting diode (LED), to generate a probe signal at a first bandwidth, an optic coupler, disposed adjacent to the LED, and arranged to couple the probe signal into the movable probe, and a narrow bandpass filter disposed to receive the probe signal at the first bandwidth, and to output the probe signal into the movable probe at a second bandwidth, less than the first bandwidth.
Claims17
A compact light source for coupling to a movable probe, comprising:
- a light emitting diode (LED), to generate a probe signal at a first bandwidth;
- an optic coupler, disposed adjacent to the LED, and arranged to couple the probe signal into the movable probe;
- and
- a narrow bandpass filter disposed to receive the probe signal at the first bandwidth, and to output the probe signal into the movable probe at a second bandwidth, less than the first bandwidth,
- wherein the LED, the optic coupler, and the narrow bandpass filter form a monochromatic light source.
A measurement apparatus, comprising:
- a compact light source, comprising a light emitting diode (LED) to generate a probe signal;
- the compact light source further comprising an optic coupler disposed adjacent to the LED, and a narrow bandpass filter disposed to receive the probe signal at a first bandwidth, and to output the probe signal at a second bandwidth, less than the first bandwidth;
- and
- a measurement instrument, to receive the probe signal, the measurement instrument comprising:
- a sample vessel to contain a fluid sample, the sample vessel comprising a vessel wall;
- a probe, arranged to direct the probe signal through the sample vessel, wherein the probe is movable along a probe direction with respect to the vessel wall, so as to reduce a path length of the probe signal through the fluid sample;
- and
- a detector, disposed to receive the probe signal after passing through the vessel wall,
- wherein the LED, the optic coupler, and the narrow bandpass filter form a monochromatic light source.
A system to measure a concentration of a material in a fluid sample, comprising:
- a compact light source, comprising a light emitting diode (LED), to generate a probe signal, an optic coupler, disposed adjacent to the LED;
- and a narrow bandpass filter disposed to receive the probe signal at a first bandwidth, and to output the probe signal at a second bandwidth, less than the first bandwidth;
- a measurement instrument, to receive the probe signal, the measurement instrument comprising:
- a sample vessel to contain a fluid sample, the sample vessel comprising a vessel wall;
- a probe, having a probe tip, arranged to direct the probe signal through the sample vessel, wherein the probe is movable along a probe direction with respect to the vessel wall, so as to reduce a path length of the probe signal through the fluid sample;
- and
- a detector, disposed to receive the probe signal after passing through the vessel wall,
- wherein the LED, the optic coupler, and the narrow bandpass filter form a monochromatic light source.
Dependencies are inferred from the claim text.