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    Beam Scanning with Tunable Lasers
    12.
    发明申请
    Beam Scanning with Tunable Lasers 有权

    公开(公告)号：US20220365277A1

    公开(公告)日：2022-11-17

    申请号：US17741706

    申请日：2022-05-11

    Applicant: Eric Swanson

    Inventor： Eric Swanson

    IPC: G02B6/12

    Abstract: An optical system includes a tunable laser that generates an optical signal at an output that is wavelength tunable. A wavelength router directs particular wavelength bands of the optical signal to particular ones of the plurality of outputs. An optical emitter emits an optical beam at an output, wherein tuning the tunable laser steers the emitted beam.

    Wavelength tunable laser device using frequency shifter
    13.
    发明授权
    Wavelength tunable laser device using frequency shifter 有权

    公开(公告)号：US11041710B2

    公开(公告)日：2021-06-22

    申请号：US16730355

    申请日：2019-12-30

    Applicant: Eric Swanson

    Inventor： Eric Swanson ,  Christopher Doerr

    IPC: G01B9/02 ,  H01S3/10

    Abstract: A wavelength tunable laser device includes a gain element positioned in an optical cavity that provides optical gain to an optical signal. A frequency shifter that generates a frequency shift as a function of time is positioned in the optical cavity. The optical cavity is configured so that a magnitude of the frequency shift as a function of time generated by the frequency shifter is substantially equal to a frequency separation of a cavity mode of the cavity such that an output of the cavity generates laser light having a wavelength that tunes as a function of time.

    Multicore Fiber Instrument with 3D-Printed Distal Optics
    14.
    发明申请
    Multicore Fiber Instrument with 3D-Printed Distal Optics 有权

    公开(公告)号：US20210149101A1

    公开(公告)日：2021-05-20

    申请号：US16864056

    申请日：2020-04-30

    Applicant: Eric Swanson

    Inventor： Eric Swanson

    IPC: F21V8/00 ,  G02B23/24 ,  G02B23/26 ,  G02B6/02

    Abstract: A multicore fiber light transfer system includes a multicore fiber having a proximal end and a distal end and at least three optical cores. The multicore fiber transferring light from the proximal end to the distal end and collecting light from a target at the distal end and transferring the collected light to the proximal end. Distal optics is 3D printed near the distal end of the multicore fiber. The distal optics includes a first element having a surface that is aligned to one core of the multicore fiber with a first shape such that the first element projects the light transferred from the proximal end in a first desired direction with a first desired beam shape and having a second element comprising a surface that is aligned to another core of the multicore fiber with a second shape such that the second element collects light from a desired location on the target.

    Optical probe
    15.
    发明授权
    Optical probe 有权

    公开(公告)号：US10809750B2

    公开(公告)日：2020-10-20

    申请号：US16524135

    申请日：2019-07-28

    Applicant: Eric Swanson ,  OFS Fitel, LLC

    Inventor： Eric Swanson ,  Tristan Kremp ,  Paul S. Westbrook ,  David DiGiovanni

    IPC: G01J3/00 ,  G05D25/02 ,  G01J3/44 ,  A61B1/06 ,  G02B6/04 ,  A61B1/07 ,  G01J3/02

    Abstract: An optical probe includes an optical source that generates an optical beam that propagates from a proximal end to a distal end of an optical fiber that imparts a transformation of a spatial profile of the optical beam. An optical control device imparts a compensating spatial profile on the optical beam that at least partially compensates for the transformation of the spatial profile of the optical beam imparted by the optical fiber in response to a control signal from a signal processor. A distal optical source generates a calibration light that propagates through the one or more optical waveguides from the distal end to the proximal end of the optical fiber. An optical detector detects the calibration light and generates electrical signals in response to the detected calibration light. The signal processor generates the control signal to instruct the optical control device to impart the compensating spatial profile on the optical beam that at least partially compensates for the transformation of the spatial profile of the optical beam imparted by the optical fiber.

    Integrated Optical System with Photonic Integrated Circuit including Coherent Optical Receiver and Optical Phased Array
    16.
    发明申请
    Integrated Optical System with Photonic Integrated Circuit including Coherent Optical Receiver and Optical Phased Array 审中-公开

    公开(公告)号：US20170268988A1

    公开(公告)日：2017-09-21

    申请号：US15467907

    申请日：2017-03-23

    Applicant: Eric Swanson

    Inventor： Eric Swanson

    IPC: G01N21/17 ,  G01N21/39 ,  G01B9/02 ,  A61B5/00 ,  G01N21/47

    CPC classification number: G01S7/4812 ,  A61B5/0066 ,  A61B2562/0233 ,  G01B9/02004 ,  G01B9/02051 ,  G01B9/02069 ,  G01B9/02091 ,  G01B2290/70 ,  G01N21/17 ,  G01N21/39 ,  G01N21/4795 ,  G01N2021/1787 ,  G01S17/89 ,  G02F1/292

    Abstract: Disclosed herein are optical integration technologies, designs, systems and methods directed toward Optical Coherence Tomography (OCT) and other interferometric optical sensor, ranging, and imaging systems wherein such systems, methods and structures employ tunable optical sources, coherent detection and other structures on a single or multichip monolithic integration. In contrast to contemporary, prior-art OCT systems and structures that employ simple, miniature optical bench technology using small optical components positioned on a substrate, systems and methods according to the present disclosure employ one or more photonic integrated circuits (PICs), use swept-source techniques, and employ a widely tunable optical source(s).In another embodiment the system uses an optical photonic phased array. The phase array can be a static phased array to eliminate or augment the lens that couples light to and from a sample of interest or can be static and use a spectrally dispersive antenna and a tunable source to perform angular sweeping. The phased array can be active in 1 or 2 dimensions so as to scan the light beam in angle. The phased array can also adjust focus. The phased array can implement an optical waveform that will extend depth of field focus for imaging. The phase array can also be a separate standalone element that is fed by one or more optical fibers. The phased array can be for scanning a biomedical specimen used in conjunction with a swept-source OCT system, can be used in a free-space coherent optical communication system for beam pointing or tracking, used in LIDAR applications, or many other beam control or beam steering applications

    Reconfigurable DSP performance in optical transceivers
    17.
    发明授权
    Reconfigurable DSP performance in optical transceivers 有权
    光收发器可重构DSP性能

    公开(公告)号：US08526823B2

    公开(公告)日：2013-09-03

    申请号：US12892327

    申请日：2010-09-28

    Applicant: Eric Swanson ,  Graeme John Pendock ,  Bhupendra Shah ,  Lawrence S. Pellach

    Inventor： Eric Swanson ,  Graeme John Pendock ,  Bhupendra Shah ,  Lawrence S. Pellach

    IPC: H04B10/00

    CPC classification number: H04B10/0795

    Abstract: A method for setting transceiver transmission parameters, in a transceiver having a plurality of components, to achieve the predetermined acceptable end-to-end bit error rate while reducing power consumption. In another aspect the invention relates to an optical transceiver system that uses digital signal processing to process the data stream sent through a fiber optical channel to compensate for transmission, reception and channel impairments to achieve the a predetermined end-to-end bit error rate and to alter its power dissipation to that sufficient to meet said end-to-end bit error rate. In one embodiment the optical transceiver system includes an optical transmitter; an optical receiver comprising an ASIC, FPGA, or other circuitry; and a controller in electrical communication with the optical receiver, wherein the controller controls power to portions of the ASIC so as to reduce power dissipation while meeting the end-to-end bit error rate.

    Abstract translation: 一种用于在具有多个组件的收发机中设置收发器传输参数以在降低功耗的同时实现预定的可接受的端对端误码率的方法。 在另一方面，本发明涉及一种使用数字信号处理来处理通过光纤光信道发送的数据流以补偿传输，接收和信道损伤以实现预定的端到端误码率的光收发器系统，以及 以将其功率消耗改变为足以满足所述端对端误码率。 在一个实施例中，光收发器系统包括光发射机; 包括ASIC，FPGA或其他电路的光接收器; 以及与所述光接收器电通信的控制器，其中所述控制器控制对所述ASIC的部分的功率，以便在满足所述端对端误码率的同时降低功耗。

    Data converter with statistical domain output
    18.
    发明授权
    Data converter with statistical domain output 有权
    具有统计域输出的数据转换器

    公开(公告)号：US06751690B1

    公开(公告)日：2004-06-15

    申请号：US09416700

    申请日：1999-10-12

    Applicant: Eric Swanson

    Inventor： Eric Swanson

    IPC: G06F1500

    CPC classification number: G01R23/167

    Abstract: An integrated circuit having statistical processing capability. The integrated circuit has an input for receiving input data in a first data domain. A data converter is provided for converting received input data from the first domain to a second domain different from the first domain. A statistical processor is provided for obtaining statistical information from the output of the data converter and processing the obtained statistical information in accordance with a predetermined processing algorithm. An output on the integrated circuit allow access of the processed statistical information by the statistical processor external to the integrated circuit.

    Abstract translation: 具有统计处理能力的集成电路。 集成电路具有用于接收第一数据域中的输入数据的输入。 提供了一种数据转换器，用于将接收到的输入数据从第一域转换成与第一域不同的第二域。 提供统计处理器，用于从数据转换器的输出获得统计信息，并根据预定的处理算法处理所获得的统计信息。 集成电路上的输出允许由集成电路外部的统计处理器访问经处理的统计信息。

    Calibrated quasi-autozeroed comparator systems and methods
    19.
    发明授权
    Calibrated quasi-autozeroed comparator systems and methods 有权
    校准的准自动比较系统和方法

    公开(公告)号：US06252454B1

    公开(公告)日：2001-06-26

    申请号：US09393055

    申请日：1999-09-09

    Applicant: Karl Ernesto Thompson ,  Carlos Esteban Muñoz ,  Douglas S. Piasecki ,  Wai Laing Lee ,  Eric Swanson

    Inventor： Karl Ernesto Thompson ,  Carlos Esteban Muñoz ,  Douglas S. Piasecki ,  Wai Laing Lee ,  Eric Swanson

    IPC: H03F102

    CPC classification number: H03F3/45986 ,  H03F1/0233

    Abstract: A multistage comparator is calibrated to remove quasi-autozero voltages derived from the native comparator offset and autozero switch charge injection offsets. A multistage comparator includes a plurality of series connected amplifiers each having a programmable source, and further including a latch. A calibration method for a multistage comparator includes calibrating the first of a series of amplifiers first for both voltage offset and charge injection errors thereby to remove the quasi-autozero voltage and charge injection offsets.

    Abstract translation: 校准多级比较器以消除由本机比较器偏移和自动调零开关电荷注入偏移导出的准自动调零电压。 多级比较器包括多个串联连接的放大器，每个具有可编程源，并且还包括锁存器。 用于多级比较器的校准方法包括首先校准电压偏移和电荷注入误差的一系列放大器中的第一个，从而去除准自动零电压和电荷注入偏移。

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