公开(公告)号：US09581514B2

公开(公告)日：2017-02-28

申请号：US14385358

申请日：2013-03-13

Applicant: OXSENSIS LTD

Inventor： Ralf-Dieter Pechstedt ,  Fabrice F. M. Maillaud

IPC: G01L19/04 ,  G01L11/02 ,  G01J3/02 ,  G01L9/00 ,  G01L27/00 ,  G01J9/02 ,  G01D3/028 ,  G01J3/26

CPC classification number: G01L11/02 ,  G01D3/028 ,  G01J3/0286 ,  G01J3/26 ,  G01J2009/0257 ,  G01L9/0079 ,  G01L9/0092 ,  G01L19/04 ,  G01L27/002

Abstract: An optical pressure sensor is disclosed having a pressure sensing optical cavity. A temperature sensing optical cavity at the sensor head is used by an interrogator to correct a pressure signal for effects of temperature. The optical cavities may be, for example, Fabry Perot cavities in the sensor head.

Abstract translation: 公开了一种具有压力感测光腔的光学压力传感器。 传感器头的温度感测光学腔由询问器使用，以校正温度影响的压力信号。 光学腔可以是例如传感头中的法布里珀罗腔。

公开(公告)号：US20060256437A1

公开(公告)日：2006-11-16

申请号：US10549325

申请日：2003-03-19

Applicant: Masao Imaki ,  Yoshihito Hirano ,  Makoto Sato ,  Akihiro Adachi ,  Shinichi Takagi ,  Yasunori Nisimura

Inventor： Masao Imaki ,  Yoshihito Hirano ,  Makoto Sato ,  Akihiro Adachi ,  Shinichi Takagi ,  Yasunori Nisimura

IPC: G02B27/28

CPC classification number: G02B5/3083 ,  G01J9/02 ,  G01J2009/0257 ,  G02B7/008 ,  H01S5/02248 ,  H01S5/0687

Abstract: A wavelength filter includes a solid material that is optically transparent and including a pair of planar surfaces substantially parallel to each other; and a supporting member that supports the solid material on a planar surface of the solid material other than the pair of planar surfaces, the supporting member having a rigidity higher than that of the solid material. The solid material is a birefringent material of which an optical axis makes a predetermined angle with respect to a normal to the pair of planar surfaces, and the wavelength filter selects light having a wavelength that is determined by an optical length between the pair of planar surfaces by resonating the light between the pair of planar surfaces.

Abstract translation: 波长滤波器包括光学透明并且包括彼此大致平行的一对平面的固体材料; 以及支撑构件，其将所述固体材料支撑在除了所述一对平面之外的所述固体材料的平坦表面上，所述支撑构件的刚度高于所述固体材料的刚度。 固体材料是双折射材料，其光轴相对于一对平面的法线形成预定角度，并且波长滤光器选择具有由一对平面之间的光学长度确定的波长的光 通过使一对平面之间的光共振。

公开(公告)号：US06973228B2

公开(公告)日：2005-12-06

申请号：US10712368

申请日：2003-11-12

Applicant: Chii-How Chang ,  Sean Chang

Inventor： Chii-How Chang ,  Sean Chang

IPC: G01J9/02 ,  G02B6/00 ,  G02F2/00 ,  H01S3/13 ,  H01S5/0683 ,  H01S5/0687 ,  H04B10/50 ,  H04B10/572 ,  H04J14/02

CPC classification number: H04B10/504 ,  G01J9/0246 ,  G01J2009/0257 ,  H01S3/1305 ,  H01S5/0683 ,  H01S5/0687 ,  H04B10/572

Abstract: A wavelength stabilizing apparatus utilized in an optical communication system for controlling a light wave output from a tunable optical component is disclosed. The wavelength stabilizing apparatus includes a coarse-tuning element, a fine-tuning element, and a servo element. When the wavelength stabilizing apparatus is used, the light wave output from the tunable optical component is directed into the coarse-tuning element and the fine-tuning element, respectively, and then transformed into electric signals to be received by the servo element. Particularly, the electric signals from the coarse-tuning element are served as basis for coarse-tuning and channel recognition of the light wave output from the tunable optical component while the electric signals from the fine-tuning element are served for fine-tuning and servo control of the light wave output from the tunable optical component. These electric signals are also processed with a logical operation to obtain a control signal for controlling the tunable optical component.

Abstract translation: 公开了用于控制从可调谐光学部件输出的光波的光通信系统中的波长稳定装置。 波长稳定装置包括粗调元件，微调元件和伺服元件。 当使用波长稳定装置时，从可调谐光学部件输出的光波分别被引导到微调元件和微调元件中，然后变换成电信号以被伺服元件接收。 特别地，来自微调元件的电信号被用作从可调谐光学部件输出的光波的粗调和信道识别的基础，同时来自微调元件的电信号用于微调和伺服 控制从可调谐光学部件输出的光波。 这些电信号也用逻辑运算进行处理，以获得用于控制可调谐光学部件的控制信号。

公开(公告)号：US06812452B2

公开(公告)日：2004-11-02

申请号：US10286701

申请日：2002-10-31

Applicant: John C. Tsai

Inventor： John C. Tsai

IPC: G01J350

CPC classification number: G01J3/26 ,  G01J9/00 ,  G01J2009/0257 ,  H01S3/13 ,  H04B10/07 ,  H04B10/503 ,  H04B10/572

Abstract: A light wavelength meter (10) able to accept light into a light diverter (16) and impart to it a transverse displacement characteristic which can be detected in a light detection unit (20) connected to a processor (22). Optionally, a light diverger (18) may be provided to enhance angular resolution. The light diverter (16) and the light diverger (18) may either transmit or reflect the light. The light diverter (16) may include a diffraction grating (116, 156), Fabry-Perot interferometer (216), multiple slit plate (316), or an acousto-optical unit (416). The processor (22) may employ wavelength data look-up tables, including addressed based on light intensity and the first defivative of light intensity.

Abstract translation: 一种光波长计（10），其能够将光接收到光分路器（16）中并向其施加横向位移特性，其可以在连接到处理器（22）的光检测单元（20）中检测。 可选地，可以提供光发散器（18）以增强角度分辨率。 光分路器（16）和光分路器（18）可以传输或反射光。 光分路器（16）可以包括衍射光栅（116,156），法布里 - 珀罗干涉仪（216），多个狭缝板（316）或声光单元（416）。 处理器（22）可以使用波长数据查找表，其包括基于光强度寻址并且首先确定光强度。

公开(公告)号：US20030127521A1

公开(公告)日：2003-07-10

申请号：US10371928

申请日：2003-02-21

Inventor： Erica Tsai ,  John C. Tsai

IPC: G06K007/00

CPC classification number: H04B10/572 ,  G01J2009/0257 ,  G06K7/084 ,  G06K19/083 ,  G06K19/12 ,  H01S3/13 ,  H04B10/07 ,  H04B10/503

Abstract: A data distribution system (10) including an information card (12) and a reader (14). The information card (12) includes visible indicia (20) on its front and stripe zones (34) and a ring zone (36) on its back. The zones (34, 36) are suitable for magnetically recording data, and optional data identifiers. The reader (14) may be a linear reader (14a) or a rotary reader (14b), and optionally may act automatically in response to reading a data identifier. If the reader (14) is a rotary reader (14b) the information card (12) may be loaded into a cartridge (16) which is loaded into the rotary reader (14b).

公开(公告)号：US20020181515A1

公开(公告)日：2002-12-05

申请号：US09871230

申请日：2001-05-31

Inventor： Kennet Vilhemsson ,  Bjorn Broberg ,  Robert Plastow

IPC: H01S003/10 ,  H01S003/13

CPC classification number: G01J9/0246 ,  G01J2009/0257 ,  H01S3/1305 ,  H01S5/06256 ,  H01S5/0687 ,  H01S5/1209

Abstract: The present invention relates to an approach to locking the output wavelength of a laser that uses an etalon having non-parallel surfaces. Under this approach, the non-parallel etalon is formed from a readily available, low cost optical component, and may include an etalon with a wedged shape or with at least one curved surface. This approach offers significant advantages over the use of a planar etalon. It provides two degrees of freedom in alignment of the device, and so both the absolute wavelength and the spacing between the interference fringes can be independently adjusted. It also reduces the cost and difficulty of assembly, since it utilizes standard optical parts with wide tolerances. The invention may be used within a standard laser package. The invention also permits the laser to be tuned to a precise operating wavelength by setting various tuning signals according to values stored in memory.

Abstract translation: 本发明涉及锁定使用具有非平行表面的标准具的激光器的输出波长的方法。 在这种方法下，非平行标准具由容易获得的低成本光学部件形成，并且可以包括具有楔形形状或至少一个弯曲表面的标准具。 这种方法比使用平面标准具提供了显着的优点。 它提供了器件对准的两个自由度，因此绝对波长和干涉条纹之间的间隔都可以独立调整。 它也降低了组装的成本和难度，因为它采用了宽公差的标准光学部件。 本发明可以在标准激光器封装内使用。 本发明还允许通过根据存储在存储器中的值设置各种调谐信号来将激光器调谐到精确的工作波长。

公开(公告)号：US11971307B2

公开(公告)日：2024-04-30

申请号：US17915434

申请日：2020-12-11

Applicant: Beijing RSLaser Opto-Electronics Technology Co., Ltd.

Inventor： Guangyi Liu ,  Rui Jiang ,  Xiaoquan Han ,  Jiangshan Zhao ,  Pengfei Sha ,  Qingqing Yin ,  Hua Zhang

IPC: G01J9/02

CPC classification number: G01J9/0246 ,  G01J2009/0234 ,  G01J2009/0257

Abstract: According to the present disclosure, there is provided a device (2) and a method for measuring a wavelength for a laser device. The device (2) for measuring a wavelength for a laser device includes: a first optical path assembly and a second optical path assembly. The first optical path assembly and the second optical path assembly constitute a laser wavelength measurement optical path. The second optical path assembly includes: an FP etalon assembly (11) and an optical classifier (13). The homogenized laser beam passes through the FP etalon assembly (11) to generate an interference fringe. The optical classifier (13) is arranged after the FP etalon assembly (11) in the laser wavelength measurement optical path, and configured to deflect the laser beam passing through the FP etalon assembly (11).

公开(公告)号：US11662508B2

公开(公告)日：2023-05-30

申请号：US17526827

申请日：2021-11-15

Applicant: Lumentum Operations LLC

Inventor： Adrian Perrin Janssen ,  Robert Simpson ,  Paul Firth

IPC: G02B5/28 ,  G01J9/02 ,  G02B17/00

CPC classification number: G02B5/284 ,  G01J9/0246 ,  G02B17/006 ,  G01J2009/0257

Abstract: In some implementations, an optical assembly comprises an optical cavity; one or more detectors; and an optical component having an input face and an output face configured to receive an input beam to the input face and to produce one or more primary output beams, and a plurality of secondary output beams from the output face, the secondary output beams resulting from multiple internal reflections within the optical component. At least one of the input face is not perpendicular to the input beam or the output face is not perpendicular to the one or more primary output beams. Each primary output beam is transmitted through the optical cavity perpendicular to at least one surface of the optical cavity, and directed to a respective one of the one or more detectors. Each detector is arranged to exclude at least a portion of each secondary output beam.

公开(公告)号：US07042579B2

公开(公告)日：2006-05-09

申请号：US10668499

申请日：2003-09-23

Applicant: Michael B. North Morris

Inventor： Michael B. North Morris

IPC: G01B9/02

CPC classification number: G01J9/02 ,  G01J2009/0257

Abstract: A laser signal is monitored. The laser signal is forwarded to an etalon. Light transmitted through the etalon is detected. Light reflected from the etalon is detected. A ratio is calculated from the detected light transmitted through the etalon and the light reflected from the etalon.

Abstract translation: 监测激光信号。 激光信号被转发到标准具。 检测到通过标准具的光。 检测到从标准具反射的光。 从通过标准具传输的检测光和从标准具反射的光计算出一个比率。

公开(公告)号：US06731659B1

公开(公告)日：2004-05-04

申请号：US10039276

申请日：2002-01-04

Applicant: John C. Tsai ,  David W. Wang

Inventor： John C. Tsai ,  David W. Wang

IPC: H01S3098

CPC classification number: H04B10/572 ,  G01J3/26 ,  G01J2009/0257 ,  H01S3/13 ,  H04B10/07 ,  H04B10/503

Abstract: A frequency locker (100) for working with external light sources or frequency locked light sources (200, 300, 400) having integrated laser light sources (214, 414). The locker (100) provides multi-channel frequency tuning and stabilization with common components, particularly including common beam splitters (114, 118), an interferometer (128), and a processing circuit (138). The locked light source (200) integrates a light source (214) and single channel frequency tuning and stabilization capabilities. The locked light source (300) integrates multiple instances of the locked light source (200) within a single housing (312) to provide multi-channel capability. And the locked light source (400) provides multi-channel frequency tuning and stabilization with common components, particularly including a single beam splitter (420), an interferometer (426), and a processing circuit (434).

Abstract translation: 一种频率锁定器（100），用于处理具有集成激光光源（214,414）的外部光源或频率锁定光源（200,300,400）。 储物柜（100）提供具有公共部件的多通道频率调谐和稳定，特别是包括公共分束器（114,118），干涉仪（128）和处理电路（138）。 锁定光源（200）集成了光源（214）和单通道频率调谐和稳定能力。 锁定光源（300）将锁定光源（200）的多个实例集成在单个壳体（312）内以提供多通道能力。 并且锁定光源（400）提供具有公共部件的多通道频率调谐和稳定，特别是包括单个分束器（420），干涉仪（426）和处理电路（434）。