Abstract: An optical frequency measurement system includes a beam splitter configured to split a light beam into a plurality of measurement beams, including a first measurement beam and a second measurement beam; a first optical frequency measurement subsystem configured to receive the first measurement beam and measure a first frequency of the first measurement beam with a first accuracy range to obtain a first measured frequency that corresponds to a frequency of the light beam; and a second optical frequency measurement subsystem configured to receive the second measurement beam and measure a second frequency of the second measurement beam with a second accuracy range that is narrower than the first accuracy range to obtain a second measured frequency that corresponds to the frequency of the light beam with a higher accuracy than the first measured frequency.

Abstract: A multiple optical frequency monitoring assembly includes a first light source configured to generate a first light beam; a second light source configured to generate a second light beam; combiner optics configured to combine the first light beam and the second light beam into a combined light beam; a beam splitter configured to split the combined light beam into a monitored light beam and a reference light beam; an interferometer configured to receive the monitored light beam and output the monitored light beam as a monitored output light beam according to a resonant frequency response; filter optics configured to separate the monitored output light beam into two output beams; a detector configured to measure the two output beams; and a controller configured to tune the first light source and the second light source based on the two measured output beams and the reference light beam.

Abstract: In some implementations, an optical assembly includes an optical power monitor to receive a portion of an optical beam and to perform a measurement on the portion of the optical beam; an optical tap to tap the optical beam and provide the portion of the optical beam; and an optical element to allow the portion of the optical beam from the optical tap to propagate toward the optical power monitor, wherein the optical element includes an absorptive material to absorb light other than the portion of the optical beam that is propagated toward the optical power monitor.

Abstract: An optical receiver includes an integrated receiver chip includes a data port configured to receive an optical data signal derived from a receive optical signal, a first waveguide coupled to the data port and configured to transmit the optical data signal from the data port to an optical waveguide circuit of the integrated receiver chip, a power monitoring port configured to receive an optical monitoring signal derived from the receive optical signal, and a second waveguide coupled to the power monitoring port and configured to transmit the optical monitoring signal to a monitor photodiode that is monolithically integrated in the integrated receiver chip. The monitor photodiode is configured to convert the optical monitoring signal into an electrical signal representative of an optical input power of the receive optical signal.

Abstract: An optical sub-assembly includes a housing; at least one component integrated within the housing, wherein the at least one component is configured to generate heat during operation; and a heat spreader integrated as part of the housing or integrated within the housing. The heat spreader is thermally coupled to the at least one component to receive heat from the at least one component. The heat spreader contains a phase change material that is configured to undergo phase transitions between a first phase state and a second phase state. The heat spreader is configured to utilize the phase transitions to spread heat throughout the heat spreader. The heat spreader is configured to equalize a heat load or minimize a temperature gradient of the optical sub-assembly.

Abstract: In some implementations, an optical assembly includes a first etalon, a second etalon, and an optical element disposed between the first etalon and the second etalon. The first etalon is configured to transmit a collimated light beam from an input surface of the first etalon to an output surface of the first etalon, and to allow the collimated light beam to propagate from an output surface of the first etalon to the optical element. The optical element is configured to receive the collimated light beam, to change the collimated light beam to a de-collimated light beam, and to allow the de-collimated light beam to propagate from the optical element to an input surface of the second etalon. The second etalon is configured to transmit the de-collimated light beam from the input surface of the second etalon to an output surface of the second etalon.

Abstract: Embodiments described herein include modeling of seller profiles and behaviors on an e-commerce site to induce more listings and sales within the e-commerce site. For every seller and potential seller on the e-commerce site, their behaviors is to be understood and modeled in order to draw out more listings and completed sales per seller. An example embodiment of the present disclosure includes receiving a first information listing. At least one classification of the information listing may be generated performing at least one machine-learning (ML) process based at least in part on at least one ML model and the first information listing. A recommendation based on the classification of the first information listing may be generated. The recommendation may be recommending. A second information listing may be created.

Abstract: Various embodiments for a transport dispatch system for marketplace curve sales transaction system are described herein. An embodiment operates by receiving, from a seller, an indication to sell a for sale item through an electronic marketplace. An item curve for the for sale item and a seller curve for the seller are generated. A sales curve is generated for the for sale item based on modifying the seller curve for the for sale item based on the item curve. A display of the sales curve is provided for the for sale item and an approval is received via a user interface. The electronic marketplace is monitored based on the approved sales curve, and the for sale item is sold for the seller based on a correspondence between the list price of the for sale item and a bid price.

Abstract: Various embodiments for a transport dispatch system for marketplace curve purchase transaction system are described herein. An embodiment operates by receiving an indication to buy a desired item from a buyer through an electronic marketplace. An item curve for the desired item and a buyer curve for the buyer are generated. A purchase curve for the desired item is generated based on modifying the buyer curve based on the item curve, the item curve indicating a demand for the item. A display of the purchase curve is provided via a user interface, through which an approval of the purchase curve is received. The desired item is monitored across the electronic marketplace and purchased for the buyer based on the approved purchase curve.

Abstract: In some implementations, an optical assembly includes an optical power monitor to receive a portion of an optical beam and to perform a measurement on the portion of the optical beam; an optical tap to tap the optical beam and provide the portion of the optical beam; and an optical element to allow the portion of the optical beam from the optical tap to propagate toward the optical power monitor, wherein the optical element includes an absorptive material to absorb light other than the portion of the optical beam that is propagated toward the optical power monitor.

Abstract: This disclosure relates to processes for preparing nicotinic acid derivatives that are useful in the chemical arts, such as in the manufacture of pharmaceutical products or agrochemicals. In particular, the present disclosure pertains to novel processes for preparing certain nicotinic acid derivatives.

Abstract: Various embodiments of the invention disclosed herein provide techniques for frame-accurate navigation of a media file. A multi-pass encoding application executing on a media content server encodes a set of file-based images associated with a media file using a first set of encoding parameters to generate a first encoded media file. The multi-pass encoding application encodes the first encoded media file using a second set of encoding parameters to generate a second encoded media file. The first encoded media file and second encoded media file are stored on the media content server and/or or other media content servers. Content delivery applications executing on these media content servers receive a request associated with the media file from a web browsing application, determine a type of the web browsing application, and transmit either the first encoded media file or the second encoded media file based on the type of web browsing application.

Abstract: Methods of shaping a glass sheet include providing a shaping support for supporting the glass sheet; providing a press bending apparatus comprising at least a first and a second mould member, each mould member being movable relative to the shaping support; heating the glass sheet; positioning the glass sheet on the shaping support; moving at least one of the shaping support and the press bending apparatus toward the other to press the glass sheet in a first region thereof between the shaping support and the first mould member; moving the second mould member relative to the first mould member to press the glass sheet in a second region thereof, and moving the first mould member relative to the shaping support to further press the glass sheet in the first region thereof between the first mould member and the shaping support. Apparatus useful to carry out the methods is also described.

Abstract: An optical locker may include an assembly. The assembly may include a beam splitter, configured to split an input beam into at least three beams; an etalon having at least three regions, positioned so that each beam passes through a different region; a detector configured to measure output intensities, Tn, of the etalon for the beam; and a controller configured to determine a ratio, Ta/Tb, of the output intensities, wherein that ratio has a slope at the output intensities which is above a threshold, obtain a target frequency of the input beam, and determine an actual frequency of the input beam based on the target frequency and the ratio of the output intensities.

Abstract: According to one implementation, a media content conformation system includes a computing platform having a hardware processor and a system memory storing a software code. The hardware processor executes the software code to receive an editing file including edits to media content, the edits being based on a compressed representation of the media content and having a first data format. The software code also obtains cross-referencing data that maps a timecode data of the compressed representation of the media content to segments of an uncompressed representation of the media content, and transforms the editing file to a conformation file including the edits in a second data format based on the cross-referencing data. The conformation file enables rendering of an edited version of the media content including the edits.

Abstract: Various embodiments of the invention disclosed herein provide techniques for frame-accurate navigation of a media file. A multi-pass encoding application executing on a media content server encodes a set of file-based images associated with a media file using a first set of encoding parameters to generate a first encoded media file. The multi-pass encoding application encodes the first encoded media file using a second set of encoding parameters to generate a second encoded media file. The first encoded media file and second encoded media file are stored on the media content server and/or or other media content servers. Content delivery applications executing on these media content servers receive a request associated with the media file from a web browsing application, determine a type of the web browsing application, and transmit either the first encoded media file or the second encoded media file based on the type of web browsing application.

Abstract: Various embodiments of the invention disclosed herein provide techniques for frame-accurate navigation of a media file. A multi-pass encoding application executing on a media content server encodes a set of file-based images associated with a media file using a first set of encoding parameters to generate a first encoded media file. The multi-pass encoding application encodes the first encoded media file using a second set of encoding parameters to generate a second encoded media file. The first encoded media file and second encoded media file are stored on the media content server and/or or other media content servers. Content delivery applications executing on these media content servers receive a request associated with the media file from a web browsing application, determine a type of the web browsing application, and transmit either the first encoded media file or the second encoded media file based on the type of web browsing application.

Abstract: An optical locker may include an assembly. The assembly may include a beam splitter, configured to split an input beam into at least three beams; an etalon having at least three regions, positioned so that each beam passes through a different region; a detector configured to measure output intensities, Tn, of the etalon for the beam; and a controller configured to determine a ratio, Ta/Tb, of the output intensities, wherein that ratio has a slope at the output intensities which is above a threshold, obtain a target frequency of the input beam, and determine an actual frequency of the input beam based on the target frequency and the ratio of the output intensities.

Abstract: ZnxZryOz mixed oxide catalysts having improved stability for the conversion of ethanol to isobutene are described, together with methods for making such catalysts.

Abstract: A puzzle kit and a puzzle constructed from said puzzle kit. The puzzle kit comprises a three dimensional substrate having an outer surface, and a plurality of puzzle pieces that cannot interlock. Each puzzle piece has a first surface and an opposite second surface and a thickness defined between the first and second surfaces. Each puzzle piece comprises first attachment means and the outer surface of the substrate defines a plurality of complementary second attachment means, such that the first attachment means and the second attachment means magnetically attach each puzzle piece to the outer surface. The first attachment means comprises a projection extending from the second surface of the puzzle piece. The second attachment means comprises a hole to partly receive the projection.