OtO Photonics, Inc.
|OtO Photonics, Inc. Patent applications|
|Patent application number||Title||Published|
|20140139833||Spectrometer, Assembling Method Thereof, And Assembling System - A spectrometer comprising a waveguide module, a diffractive component, and a light sensor is provided. The waveguide module has a first reflective surface, a second reflective surface opposite to the first reflective surface, and a light channel between the first reflective surface and the second reflective surface. The diffractive component has a diffractive surface and a plurality of strip-shaped diffractive structures located on the diffractive surface. The sharpness of the profile of the strip-shaped diffractive structures on a first side of the diffractive surface is greater than that on a second side of the diffractive surface. When viewed along a direction perpendicular to the second reflective surface, the first side of the diffractive surface is positioned between the first reflective surface and the second reflective surface with a distance away from the second reflective surface. A method for assembling the spectrometer and an assembling system are also provided.||05-22-2014|
|20140110569||Optical Head For Receiving Light And Optical System Using The Same - An optical head for receiving incident light is provided. The optical head comprises a transmissive cosine corrector and a reflector disposed to face the transmissive cosine corrector. The transmissive cosine corrector is disposed in an optical path of the incident light and shields the reflector from the incident light. The transmissive cosine corrector converts the incident light to scattered light having a Lambertian pattern. The reflector has an optical output section that transmits the scattered light and a reflective section that reflects the scattered light to the transmissive cosine corrector and/or the other portions of the reflective sections. An optical system using the optical head is also provided.||04-24-2014|
|20140002820||OPTICAL MODULE OF MICRO SPECTROMETER WITH TAPERED SLIT AND SLIT STRUCTURE THEREOF||01-02-2014|
|20130314704||Miniature Spectrometer With Stray Light Filtering Structure - A miniature spectrometer comprises an input unit, a stray light filtering structure, and a miniature diffraction grating. The input unit receives a first optical signal and a second optical signal. The stray light filtering structure has first and second filter sections to filter out the second optical signal. The first and second filter sections have first and second dentate structures disposed on opposite sides. The first and second dentate structures define an optical channel for the transmission of the first optical signal. The second optical signal enters into the first or the second dentate structure and is filtered out by the first or the second dentate structure. The miniature diffraction grating receives the first optical signal from the stray light filtering structure and separates the first optical signal into a plurality of spectral components.||11-28-2013|
|20130308128||Miniaturized Optical Spectrometer And Fabricating Method Thereof - A miniature spectrometer comprises an input unit, an image capture unit, a miniature diffraction optical grating, an optical grating accommodation slot, a cushion, and an affixing plate. The miniature spectrometer may further comprise a waveguide device, and the optical grating accommodation slot is positioned in a space defined by an opening of the waveguide device. The input unit receives an optical signal which proceeds in the waveguide device. The miniature diffraction optical grating separates the optical signal into numerous spectral components to be projected onto the image capture unit. The cushion is stacked on the miniature diffraction optical grating, with both disposed in the optical grating accommodation slot. The affixing plate is disposed on the waveguide device to apply a compressing force on the cushion to affix the miniature diffraction optical grating in the optical grating accommodation slot.||11-21-2013|
|20130294727||Optical Mechanism Of Miniaturized Optical Spectrometers - An optical mechanism for a miniaturized spectrometer comprises an input unit, an upper waveguide plate, a lower waveguide plate, and a miniature diffraction grating. The input unit is used to receive an optical signal and direct the optical signal to the interior of the optical mechanism. The upper waveguide plate has a first reflective surface. The lower waveguide plate having a second reflective surface aligned substantially parallel to the upper waveguide plate. The first reflective surface is located opposite to the second reflective surface. An optical channel is formed between the first reflective surface and the second reflective surface, so that optical signal from the input unit can travel in the optical channel. The miniature diffraction grating separates the optical signal transmitted in the optical channel into a plurality of spectral components and directs the spectral components to an image capture module at an end of the miniaturized spectrometer.||11-07-2013|
|20130170043||Hybrid Diffraction Grating, Mold Insert And Manufacturing Methods Thereof - A hybrid diffraction grating, a mold used to produce the hybrid diffraction grating, and their manufacturing methods are described. In one aspect, a hybrid diffraction grating comprises a grating main body and a reflective layer. The grating main body comprises numerous diffraction structures. When viewed along a top-view direction, the numerous diffraction structures are arranged in a pattern defined by a profile. The profile determines various blaze angles of the numerous diffraction structures. The reflective layer, disposed on the diffraction structures, exhibits characteristics of the numerous diffraction structures.||07-04-2013|
|20110080584||Optical System - The invention concerns an optical system. The optical system comprises an input for receiving an optical signal, a predetermined output plane, and a diffraction grating for separating the optical signal received at the input into spectral elements thereof. The grating has a diffraction surface, which is formed by a photolithography process. The diffraction surface has a first predetermined profile. The first profile is formed by a plurality of points each conducted by different equations. Consequently, each spectral component is focused on the predetermined output plane.||04-07-2011|
Patent applications by OtO Photonics, Inc.