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    Mechanically grounded tunable laser
    32.
    发明授权
    Mechanically grounded tunable laser 有权
    机械接地可调激光器

    公开(公告)号：US06614829B1

    公开(公告)日：2003-09-02

    申请号：US09393398

    申请日：1999-09-10

    Applicant: Alexander V. Tuganov ,  I-Fan Wu ,  Michael Brownell ,  Timothy Day

    Inventor： Alexander V. Tuganov ,  I-Fan Wu ,  Michael Brownell ,  Timothy Day

    IPC: H01S308

    CPC classification number: H01S5/02248 ,  H01S3/105 ,  H01S3/1055 ,  H01S5/0427 ,  H01S5/0617 ,  H01S5/06213 ,  H01S5/06804 ,  H01S5/06832 ,  H01S5/0687 ,  H01S5/1039 ,  H01S5/141 ,  H01S5/143

    Abstract: The present invention provides an apparatus for mechanically stabilizing tunable lasers by mechanically grounding laser components. Lasers stabilized using mechanical grounding of the laser components exhibit phase synchronous tuning, reduced mode hop and increased wavelength stability across the entire tuning range. Additionally, lasers stabilized using mechanical grounding exhibit improved resistance to thermal and physical shock. The robust compact design of mechanically grounded lasers makes them suitable for a broad range of applications including optical signal generators and optical multimeters.

    Abstract translation: 本发明提供了一种机械地使可调谐激光器机械地稳定的装置，其通过机械地接地激光部件。 使用激光器部件的机械接地稳定的激光器在整个调谐范围内表现出相位同步调谐，减小的模式跳跃和增加的波长稳定性。 另外，使用机械接地稳定的激光器改善了对热和物理冲击的抵抗力。 机械接地激光器的坚固紧凑设计使其适用于广泛的应用，包括光信号发生器和光学万用表。

    Filter pad for rapid removal
    33.
    发明授权
    Filter pad for rapid removal 有权

    公开(公告)号：US10661206B2

    公开(公告)日：2020-05-26

    申请号：US16430695

    申请日：2019-06-04

    Applicant: Timothy Day

    Inventor： Timothy Day

    IPC: C02F11/12 ,  B01D29/96 ,  B01D29/27

    Abstract: A filter pad for use in a dewatering container is presented. The filter pad is configured to fit within the interior cavity and substantially line the interior surfaces. Material, which is usually liquids and slurries, is added to the container with the filter in place and gravity is used to filter the sediment, while the water is released through a release nozzle. The solids are retained in the filter pad for later disposal. The filter pad has a portion that can be selectively opened and is configured for placement substantially adjacent the door to permit selective egress of contents of the interior cavity. The filter pad has an open upper end with securing members for cooperating with container hooks to provide safe and easy removal of the filter pad.

    Filter pad
    34.
    发明授权
    Filter pad 有权

    公开(公告)号：US10022656B2

    公开(公告)日：2018-07-17

    申请号：US15590080

    申请日：2017-05-09

    Applicant: Timothy Day

    Inventor： Timothy Day

    IPC: B01D35/027 ,  C02F11/12 ,  B01D29/96 ,  B01D29/27 ,  B01D29/05

    Abstract: A filter pad for use in a dewatering container is presented. The filter pad is configured to fit within the interior cavity and substantially line the interior surfaces. Material, which is usually liquids and slurries, is added to the container with the filter in place and gravity is used to filter the sediment, while the water is released through a release nozzle. The solids are retained in the filter pad for later disposal. The filter pad has a portion that can be selectively opened and is configured for placement substantially adjacent the door to permit selective egress of contents of the interior cavity.

    COMPACT MID-IR LASER
    38.
    发明申请
    COMPACT MID-IR LASER 有权
    紧凑的中红外激光

    公开(公告)号：US20110103414A1

    公开(公告)日：2011-05-05

    申请号：US12987830

    申请日：2011-01-10

    Applicant: Timothy Day ,  David F. Amone

    Inventor： Timothy Day ,  David F. Amone

    IPC: H01S3/10 ,  H01S3/04 ,  H01S5/34

    CPC classification number: H01S5/02216 ,  G02B3/00 ,  G02B7/023 ,  H01S5/005 ,  H01S5/02248 ,  H01S5/02415 ,  H01S5/02492 ,  H01S5/0427 ,  H01S5/06226 ,  H01S5/3401

    Abstract: A compact mid-IR laser device utilizes a quantum cascade laser to provide mid-IR frequencies suitable for use in molecular detection by signature absorption spectra. The compact nature of the device is obtained owing to an efficient heat transfer structure, the use of a small diameter aspheric lens and a monolithic assembly structure to hold the optical elements in a fixed position relative to one another. The compact housing size may be approximately 20 cm×20 cm×20 cm or less. Efficient heat transfer is achieved using a thermoelectric cooler TEC combined with a high thermal conductivity heat spreader onto which the quantum cascade laser is thermally coupled. The heat spreader not only serves to dissipate heat and conduct same to the TEC, but also serves as an optical platform to secure the optical elements within the housing in a fixed relationship relative on one another. A small diameter aspheric lens may have a diameter of 10 mm or less and is positioned to provided a collimated beam output from the quantum cascade laser. The housing is hermetically sealed to provide a rugged, light weight portable MIR laser source.

    Abstract translation: 紧凑的中红外激光装置利用量子级联激光器提供适合用于通过特征吸收光谱进行分子检测的中红外频率。 由于有效的传热结构，使用小直径非球面透镜和单片组件结构来将光学元件保持在相对于彼此的固定位置，可以获得装置的紧凑性。 紧凑的外壳尺寸可以是大约20cm×20cm×20cm或更小。 使用与量子级联激光器热耦合的高导热散热器结合的热电冷却器TEC来实现有效的热传递。 散热器不仅用于散热并将其传导到TEC，而且还用作光学平台，以将光学元件以相对于彼此的固定关系固定在壳体内。 小直径非球面透镜可以具有10mm或更小的直径，并且被定位成提供从量子级联激光器输出的准直光束。 外壳密封，提供坚固，轻便的便携式MIR激光源。

    MID INFRARED OPTICAL ILLUMINATOR ASSEMBLY
    39.
    发明申请
    MID INFRARED OPTICAL ILLUMINATOR ASSEMBLY 审中-公开
    MID红外光学照明器总成

    公开(公告)号：US20100110198A1

    公开(公告)日：2010-05-06

    申请号：US12413909

    申请日：2009-03-30

    Applicant: Paul Larson ,  Eric B. Takeuchi ,  Miles James Weida ,  Timothy Day

    Inventor： Paul Larson ,  Eric B. Takeuchi ,  Miles James Weida ,  Timothy Day

    IPC: H04N5/33 ,  F41G1/00 ,  H01S5/00

    CPC classification number: G01S17/89 ,  B64F1/20 ,  F41G1/35 ,  F41G3/165 ,  G01S17/933 ,  G01S17/936 ,  G02B23/12

    Abstract: An optical illuminator assembly (10) for locating an object (20) in inclement conditions (22) includes a MIR laser source (12) having a semiconductor laser that directly emits (without frequency conversion) an output beam (16) that is in the MIR range, the output beam (16) being useful for locating the object (20). Additionally, the optical illuminator assembly (10) can include a MIR imager (14) that captures an image (18) of light in the MIR range near the object (20). Further, the MIR imager (14) can include an image display (26) that displays the captured image (18). In a first example, the MIR laser source (12) and the MIR imager (14) are spaced apart, and the image (18) captured by the MIR imager (14) includes the output beam (16) from the MIR laser source (12). With this design, a person (28) operating a vehicle (24) will be able to locate the object 20 in inclement conditions 22. In a second example, the MIR laser source (12) and the MIR imager (14) are positioned in close proximity to each other. In this example, the image (18) captured by the MIR imager (14) includes at least a portion of the object (20) illuminated by the output beam (16) from the MIR laser source (12).

    Abstract translation: 用于在恶劣条件（22）中定位物体（20）的光学照明器组件（10）包括具有半导体激光器的MIR激光源（12），该半导体激光器直接发射（不变频）输出光束 MIR范围，输出光束（16）可用于定位物体（20）。 另外，光学照明器组件（10）可以包括捕获在物体（20）附近的MIR范围内的光的图像（18）的MIR成像器（14）。 此外，MIR成像器（14）可以包括显示捕获图像（18）的图像显示（26）。 在第一示例中，MIR激光源（12）和MIR成像器（14）间隔开，并且由MIR成像器（14）捕获的图像（18）包括来自MIR激光源的输出光束（16） 12）。 通过这种设计，操作车辆（24）的人（28）将能够将物体20定位在恶劣条件22中。在第二示例中，MIR激光源（12）和MIR成像器（14）位于 彼此靠近。 在该示例中，由MIR成像器（14）捕获的图像（18）包括由MIR激光源（12）由输出光束（16）照亮的对象（20）的至少一部分。

    Lenses, optical sources, and their couplings
    40.
    发明授权
    Lenses, optical sources, and their couplings 有权
    镜头，光源及其联轴器

    公开(公告)号：US07535656B2

    公开(公告)日：2009-05-19

    申请号：US11525384

    申请日：2006-09-22

    Applicant: Timothy Day ,  David F. Arnone

    Inventor： Timothy Day ,  David F. Arnone

    IPC: G02B3/02 ,  H01L31/00

    CPC classification number: G02B3/00 ,  B82Y20/00 ,  G02B7/023 ,  H01S5/02288 ,  H01S5/02476 ,  H01S5/3401

    Abstract: A lens may operate in the mid-IR spectral region and couple highly divergent beams into highly collimated beams. In combination with a light source having a characteristic output beam, the lens may provide highly stable, miniaturized mid-IR sources that deliver optical beams. An advanced mounting system may provide long term sturdy mechanical coupling and alignment to reduce operator maintenance. In addition, devices may also support electrical and thermal subsystems that are delivered via these mounting systems. A mid-IR singlet lens having a numerical aperture greater than about 0.7 and a focal length less than 10 mm may be combined with a quantum well stack semiconductor based light source such that the emission facet of the semiconductor lies in the focus of the lens less than 2 mm away from the lens surface. Together, these systems may provide a package that is highly portable and robust, and easily integrated with external optical systems.

    Abstract translation: 透镜可以在中红外光谱区域中操作，并将高度发散的光束耦合到高度准直的光束中。 结合具有特征输出光束的光源，透镜可以提供高度稳定的，小型化的中红外光源，其传送光束。 先进的安装系统可以提供长期坚固的机械联接和对准，以减少操作人员的维护。 此外，设备还可以支持通过这些安装系统传送的电气和热系统。 具有大于约0.7的数值孔径和小于10mm的焦距的中红外单透镜可以与基于量子阱堆叠半导体的光源组合，使得半导体的发射小面位于透镜的焦点较少 距镜头表面2毫米以外。 一起，这些系统可以提供高度便携和坚固的包装，并且容易地与外部光学系统集成。

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