Abstract:
The present invention relates to a spectral detection device (100) for detecting spectral components of received light, wherein the spectral detection device (100) comprises a filtering structure (110) arranged to filter the received light and output light with a wavelength within a predetermined wavelength range; and a light sensor (120) arranged to detect the light output by the filtering structure (110), wherein the filtering structure (110) is variable to allow a variation of the predetermined wavelength range over time. The arrangement enables a compact spectral detection device that may be provided at a low cost.
Abstract:
System and method for testing solar cells is provided. The system includes a first light source (101A) configured to generate a first optical beam; a second light source (101B) configured to generate a second optical beam; a reflector (102) for each light source, configured to collimate and direct each of the first optical beam and the second optical beam; a spectral filter assembly (120) associated with each of the first light source and the second light source, the spectral filter assembly configured to (a) receive the first optical beam and the second optical beam (b) split each of the first optical beam and the second optical beam into "N" smaller optical beams, and (c) filter the "N" smaller optical beams; a re-imaging assembly (122) for each spectral filter assembly configured to re-image the smaller "N" optical beam at a dichroic mirror that receives one or more N beams.
Abstract:
An optical assembly for use with a spectrophotometer. The optical assembly may comprise an illumination source, a detection sensor, a monitor sensor, and an optical piece having a first side adapted to face a sample. The optical piece may define an illumination channel extending from the illumination source toward the first side. The optical piece may also define a detection channel extending from the first side toward the detection sensor, hi addition, the optical piece may define a monitor channel extending from the illumination channel toward the monitor sensor. Also, a light emitting diode (LED) assembly for use with an optical measurement device. The LED assembly may comprise a substrate having a top surface and a bottom surface and a plurality of LED dies positioned on the substrate to emit light in a first direction normal to the bottom surface of the substrate. The LED assembly may also comprise a plurality of leads in electrical contact with the plurality of LED dies. The plurality of leads may be positioned on the bottom surface of the substrate, and may be configured to surface-mount to a board.
Abstract:
An analysis system, tool, and method for performing downhole fluid analysis, such as within a wellbore. The analysis system, tool, and method provide for a tool including a spectroscope for use in downhole fluid analysis which utilizes an adaptive optical element such as a Micro Mirror Array (MMA) and two distinct light channels and detectors to provide real-time scaling or normalization.
Abstract:
PROBLEM TO BE SOLVED: To provide an imaging device and an imaging method by which transmittance of a predetermined band of subject light can be switched without the need to provide a space for evacuating an optical member.SOLUTION: An imaging device comprises: an image sensor that generates an image signal by photo-conversion of a subject light; a photographic optical system that forms the subject light into an image on the image sensor; and a first optical member that causes the subject light made incident on the image sensor through the photographic optical system to transmit therethrough. In the first optical member, transmittance of a first band of the subject light changes according to an angle with respect to an optical axis of the photographic optical system.