Class / Patent application number | Description | Number of patent applications / Date published |
356331000 | With monochromator structure | 8 |
20100110430 | DEVICE FOR SORTING AND CONCENTRATING ELECTROMAGNETIC ENERGY AND APPARATUS COMPRISING AT LEAST ONE SUCH DEVICE - A device for sorting and concentrating electromagnetic energy impinging a surface of the device, the surface including at least one plasmonics-based surface structure or similar structure of periodic or quasi-periodic surface topography. The device is characterised in that the surface (V) is provided with at least two such surface structures ( | 05-06-2010 |
356332000 | Having adjustable color or bandwidth | 7 |
20080204748 | MEASURING DEVICE FOR WORKPIECE HELD ON CHUCK TABLE - A measuring device for measuring the height of a workpiece held on a chuck table provided in a processing machine. The measuring device includes a white light source for emitting white light, an acousto-optic deflecting unit for separating the white light emitted from the white light source to produce a flux of diffracted light and for swinging the flux of the diffracted light over a predetermined angular range by applying a voltage, a pinhole mask for passing light having a part of the wavelengths of the diffracted light produced by the acousto-optic deflecting unit, and a chromatic aberration lens for focusing the light passed through the pinhole mask and for applying the focused light to the workpiece held on the chuck table. | 08-28-2008 |
20080278724 | Light filter - Various embodiments of a light filter are disclosed. | 11-13-2008 |
356334000 | With diffraction grating means | 5 |
20100296091 | Optical Multiplexer/Demultiplexer - An apparatus for optical spectrometry utilizes a simplified construction, reducing the number of independent optical elements needed while providing a sizeable dispersed spectrum. The apparatus provides a spectral intensity distribution of an input source wherein individual spectral components in the source can be measured and, in some embodiments, can be manipulated or filtered. | 11-25-2010 |
20110075143 | SPECTRAL MODULE AND METHOD FOR MANUFACTURING SPECTRAL MODULE - The present invention provides a highly reliable spectral module. When light L | 03-31-2011 |
20110116091 | SPECTRAL MODULE - In a spectral module | 05-19-2011 |
20110122408 | SPECTRAL MODULE - The present invention provides a highly reliable spectral module. The spectral module ( | 05-26-2011 |
20120057156 | SPECTRUM DETECTOR - Provided is a spectrum detector capable of being miniaturized and which does not require complicated optical axis alignment. The spectrum detector of the present invention comprises: a substrate; a photodetector formed on the substrate and including a semiconductor having a plurality of convex portions; and a wavelength detection circuit for detecting a wavelength of light transmitted through the plurality of convex portions, from light incident on the photodetector. According to the present invention, a small-sized spectrum detector can be provided which can easily detect a peak wavelength distribution included in light of an unknown wavelength, without the use of optical equipment such as a grating or prism, thus dispensing with the need for the optical axis alignment of a complex optical system. | 03-08-2012 |