Viavi Solutions. has filed a patent for a monochromator apparatus for an optical spectrum analyzer. The apparatus includes a diffraction grating, sensor, and processor to calibrate the monochromator by detecting diffracted signals and determining wavelengths based on rotational angles. The calibration can be performed at the beginning of a measurement or periodically. GlobalData’s report on Viavi Solutions gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Viavi Solutions, Document anti-counterfeiting was a key innovation area identified from patents. Viavi Solutions's grant share as of January 2024 was 61%. Grant share is based on the ratio of number of grants to total number of patents.
Monochromator apparatus for optical spectrum analyzer
A patent application (Publication Number: US20240035887A1) describes a monochromator apparatus that includes a diffraction grating with diffractive elements to receive an optical signal with multiple wavelengths and transmit diffracted signals. The apparatus also features a detection component to identify diffracted signals and a processor to determine the wavelength of these signals. The processor receives the rotational angle of the diffraction grating for a 0th order diffracted signal, sets it as a reference angle, and calculates the wavelength of the next order diffracted signal based on the reference and rotational angles.
Furthermore, the patent application details a method for calibrating the monochromator apparatus, involving detecting diffracted signals, setting reference angles, and determining wavelengths based on the angles. The apparatus can be part of an optical spectrum analyzer (OSA) and includes a motor to rotate the diffraction grating for wavelength determination. The OSA also comprises an optical pre-processing block with a diffraction grating, a detection component, and a processor for calibration processes. The processor can determine wavelengths based on a look-up table of diffracted signal angles and wavelengths or through a computation involving the incidence angle of the optical signal and the angle of the diffracted signal.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
