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公开(公告)号：US10907966B2
公开(公告)日：2021-02-02
申请号：US16444038
申请日：2019-06-18
摘要： A ring laser gyroscope is provided. A light source is configured to generate light of a first wavelength. A plurality primary cavity mirrors are configured to route light of a second wavelength around a primary cavity to a readout device. One primary cavity mirror of the plurality of primary cavity mirrors includes a gain medium. The pumping mirror and the one primary cavity mirror including the gain medium is positioned and configured to reflect the light of the first wavelength back and forth in a pumping cavity through the gain medium, wherein the light of the first wavelength stimulates the gain medium to generate the light of the second wavelength that are reflected around the primary cavity to the readout device.
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公开(公告)号：US20180299369A1
公开(公告)日：2018-10-18
申请号：US15759158
申请日：2016-09-07
发明人： Terry Marta , James Allen Cox , Bernard Fritz , Antony Phillips , Rodney Watts
IPC分类号： G01N21/17 , G01N21/37 , G01N21/3504
摘要： A non-dispersive photoacoustic gas detector comprises an infrared light source, a closed chamber, a gas sample disposed within the closed chamber, and an acoustic sensor in fluid communication with the dosed chamber. The dosed chamber comprises at least one window that is substantially transparent to infrared light from the infrared light source, and the gas sample comprises a gas or a mixture of at least two gases.
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公开(公告)号：US20180284012A1
公开(公告)日：2018-10-04
申请号：US15759165
申请日：2016-09-07
发明人： Terry Marta , James Allen Cox , Bernard Fritz , Antony Phillips , Rodney Watts
IPC分类号： G01N21/17 , G01N21/3504 , G01N29/24 , G01N29/44 , G01N21/37
摘要： A non-dispersive photoacoustic gas detector includes an infrared light source, a first closed chamber, a first acoustic sensor in fluid communication with the first closed chamber, a second closed chamber, and a second acoustic sensor in fluid communication with the second closed chamber. The first closed chamber comprises a plurality of windows that are substantially transparent to infrared light from the infrared light source. The second closed chamber comprises at least one window that is substantially transparent to infrared light from the infrared light source, and the first closed chamber is arranged in series with the second closed chamber between the infrared light source and the second closed chamber.
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4.发明申请公开(公告)号：US20180045563A1
公开(公告)日：2018-02-15
申请号：US15555762
申请日：2016-03-03
发明人： Terry Marta , Rodney Royston Watts , Antony Leighton Phillips , Bernard Fritz , James Allen Cox
IPC分类号： G01J3/02 , G01N21/3504 , G01J3/42
摘要： Embodiments relate generally to systems and methods for filtering unwanted wavelengths from an IR detector. In some embodiments, it may be desired to remove or reduce the wavelengths absorbed by water, to reduce the effects of water on the detection of the target gas. In some embodiments, a filter glass may be used in the IR detector, wherein the filter glass comprises one or more materials that contain hydroxyls in their molecular structure, and wherein the spectral absorption properties of the filter glass are operable to at least reduce wavelengths of light absorbed by water from the optical, thereby reducing the IR detector's cross sensitivity to water.
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5.发明申请ACCURATE OBJECT DETECTION IN FREE SPACE USING CONTROLLED LIGHT SOURCE TECHNIQUES 审中-公开使用控制光源技术在自由空间中的精确对象检测公开(公告)号：US20170008621A1
公开(公告)日：2017-01-12
申请号：US14793849
申请日：2015-07-08
IPC分类号： B64C27/00
CPC分类号： B64C27/008
摘要： An improved rotorcraft blade tracking system and method is provided. The provided blade tracking system and method projects a focused beam of light with minimal variance in predetermined spectral characteristics at the ranges of distance suitable for rotorcraft blade tracking applications. The provided system and method detects a reflected beam of light that is associated with the projected focused beam of light. The provided system and method maintains eye safety, and performs consistently over a variety of environmental conditions.
摘要翻译： 提供了一种改进的旋翼飞机叶片跟踪系统和方法。 提供的叶片跟踪系统和方法在适合于旋翼飞行器叶片跟踪应用的距离范围内投射聚焦光束，具有最小的预定光谱特征的变化。 所提供的系统和方法检测与投射的聚焦光束相关联的反射光束。 所提供的系统和方法保持眼睛的安全，并且在各种环境条件下一致地执行。
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公开(公告)号：US10458900B2
公开(公告)日：2019-10-29
申请号：US15759165
申请日：2016-09-07
发明人： Terry Marta , James Allen Cox , Bernard Fritz , Antony Phillips , Rodney Watts
IPC分类号： G01N21/17 , G01N21/3504 , G01N21/37 , G01N29/24 , G01N29/44
摘要： A non-dispersive photoacoustic gas detector includes an infrared light source, a first closed chamber, a first acoustic sensor in fluid communication with the first closed chamber, a second closed chamber, and a second acoustic sensor in fluid communication with the second closed chamber. The first closed chamber comprises a plurality of windows that are substantially transparent to infrared light from the infrared light source. The second closed chamber comprises at least one window that is substantially transparent to infrared light from the infrared light source, and the first closed chamber is arranged in series with the second closed chamber between the infrared light source and the second closed chamber.
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公开(公告)号：US10422740B2
公开(公告)日：2019-09-24
申请号：US15202324
申请日：2016-07-05
发明人： Teresa M. Marta , Martin Willett , Bernard Fritz
IPC分类号： G01N21/31 , G01N21/3504 , G01N21/39
摘要： Devices, methods, systems, and computer-readable media for a dual wavelength source gas sensor are described herein. One or more embodiments include a gas sensor, comprising: a dual wavelength source to transmit a first wavelength and a second wavelength via an optical path, wherein a gas is present through the optical path, a detector to receive the first wavelength and the second wavelength via the optical path, and a computing device coupled to the detector to determine an determine a signal intensity for the first wavelength and the second wavelength.
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公开(公告)号：US20170019602A1
公开(公告)日：2017-01-19
申请号：US14798674
申请日：2015-07-14
发明人： David J. Dopilka , Bernard Fritz , Brent D. Larson
CPC分类号： H04N5/23293 , G02B27/0101 , G02B2027/0112 , G02B2027/0123
摘要： Provided is a compact display system and method for creating, with minimal volume, a focused, high quality, full color, large FOV virtual image characterized by eye-limited spatial resolution. The provided compact display (i) enables a flexible range of eye relief, and (ii) enables a large exit pupil.
摘要翻译： 提供了一种紧凑的显示系统和方法，以最小的体积创建以有限的空间分辨率为特征的聚焦，高质量，全彩色，大的FOV虚拟图像。 所提供的紧凑型显示器（i）能够实现灵活的眼睛释放范围，并且（ii）能够实现大的出射光瞳。
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9.发明授权公开(公告)号：US11119037B2
公开(公告)日：2021-09-14
申请号：US16759865
申请日：2017-10-30
发明人： Wei Yang , Teresa M. Marta , Bernard Fritz , Martin Willett
IPC分类号： G01N21/3504 , G01N33/00 , G02B5/22
摘要： Embodiments relate generally to electromagnetic radiation detector devices, systems, and methods using a planar Golay cell. A method for gas detection may comprise providing a gas sealed in a cavity of a gas detector; directing radiative power from a light source through one or more target gases and through a cell body of the gas detector toward the cavity and a wavelength selective absorber of the gas detector, wherein the one or more target gases are located between the light source and the cavity; setting wavelength sensitivity with the wavelength selective absorber, wherein the wavelength sensitivity is irrespective of an angle of incidence (?); absorbing the radiative power by the wavelength selective absorber and by the one or more target gases; detecting, by a pressure sensing element, a pressure change caused by the absorbing of the radiative power; and determining the one or more target gases based on the detected pressure change.
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公开(公告)号：US10883875B2
公开(公告)日：2021-01-05
申请号：US15555762
申请日：2016-03-03
发明人： Terry Marta , Rodney Royston Watts , Antony Leighton Phillips , Bernard Fritz , James Allen Cox
IPC分类号： G01J3/02 , G01N21/3504 , G01J3/42 , G02B5/20
摘要： Embodiments relate generally to systems and methods for filtering unwanted wavelengths from an IR detector. In some embodiments, it may be desired to remove or reduce the wavelengths absorbed by water, to reduce the effects of water on the detection of the target gas. In some embodiments, a filter glass may be used in the IR detector, wherein the filter glass comprises one or more materials that contain hydroxyls in their molecular structure, and wherein the spectral absorption properties of the filter glass are operable to at least reduce wavelengths of light absorbed by water from the optical, thereby reducing the IR detector's cross sensitivity to water.
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