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1. 发明申请

US20210080620A1 ONE OPTICAL DESIGN PATTERN/METHOD OF A COST EFFECTIVE IR LENS 有权
公开(公告)号：US20210080620A1
公开(公告)日：2021-03-18
申请号：US16865037
申请日：2020-05-01
申请人： LIGHTPATH TECHNOLOGIES, INC.
发明人： Fujian Ding , Mark Lifshotz
IPC分类号： G02B3/00 , G02B1/00 , G02B5/18 , G02B3/04 , G02B13/14 , G02B13/16 , G02B27/00 , G02B27/42
摘要： An optical design pattern/method was invented to control the total cost including the material and the manufacturing of IR imaging lenses. This optical design pattern/method comprises a molded lens and an aberration correction lens. This design pattern/method leads to cost-effective IR imaging lenses because the unit cost of the molded lens is low for a volume production and the unit cost of the aberration correction lens is low for its very small manufacturing. This optical design pattern/method comprises any imaging and spectral applications for any partial band of 1 to 14 micron, such as (but not limited to) SWIR, MWIR, and LWIR.

2. 发明申请

WO1995002836A1 GRADIENT INDEX LENS ELEMENTS 审中-公开
标题翻译：梯度指数镜头元件
公开(公告)号：WO1995002836A1
公开(公告)日：1995-01-26
申请号：PCT/US1994007930
申请日：1994-07-15
申请人： LIGHTPATH TECHNOLOGIES, INC.
发明人： LIGHTPATH TECHNOLOGIES, INC. , MANHART, Paul, K. , STUHLINGER, Tilman, W. , CASTLE, Kenneth, R. , RUDA, Mitchell, C.
IPC分类号： G02B03/00
CPC分类号： G02B3/0087
摘要： A lens element (20) is formed from a monolithic unit having two sections (36A, 39A) aligned on an optical axis. A selected one of the sections has an axial gradient refractive index, and the other has a homogeneous refractive index. The axial gradient index material may be selected such the third order spherical aberration of the element is zero. The axial gradient index material may be selected such that similarly constructed elements having shape factors between about 0 and 2.0 also have zero third order spherical aberration. The refractive index preferably varies as a non-linear function of at least distance along the optical axis. An element is formed from a material having an axial gradient dispersion. Shape factor and dispersion gradient may be selected such that the element is achromatic.
摘要翻译：透镜元件（20）由具有在光轴上对准的两个部分（36A，39A）的整体单元形成。所选择的一个部分具有轴向梯度折射率，另一个具有均匀的折射率。可以选择轴向梯度折射率材料，使得元件的三阶球面像差为零。可以选择轴向梯度折射率材料，使得具有约0和2.0之间的形状系数的类似构造的元件也具有零三阶球面像差。优选地，折射率作为沿着光轴的至少距离的非线性函数而变化。元件由具有轴向梯度分散的材料形成。可以选择形状因子和色散梯度，使得该元素是消色差的。

3. 发明申请

US20220402800A1 SYSTEMS AND METHODS FOR FORMING A MOLD-BONDED LENS 有权
公开(公告)号：US20220402800A1
公开(公告)日：2022-12-22
申请号：US17686902
申请日：2022-03-04
申请人： LightPath Technologies, Inc.
发明人： Jeremy Ben Huddleston
IPC分类号： C03B11/14 , C03B11/05
摘要： Fabricating a shaped optical element for refracting light can include placing a first material having a first glass transition temperature in a mold, and compressing and heating the first material to form a first optical element, the first optical element having a first surface and a second surface opposite the first surface. The method can also include placing a second material in the mold adjacent to the first surface of the first optical element, the second material having a second glass transition temperature that is different than the first glass transition temperature, and compressing and heating the second material to form a second optical element having a third surface and a fourth surface opposite the third surface, wherein the first surface of the first optical element and the third surface of the second optical element are bonded together as a result of compressing and heating the second optical element.

4. 发明申请

US20180321457A1 INTEGRATED OPTICAL ASSEMBLY AND MANUFACTURING THE SAME 审中-公开
公开(公告)号：US20180321457A1
公开(公告)日：2018-11-08
申请号：US15828300
申请日：2017-11-30
申请人： LightPath Technologies, Inc.
发明人： Alan Symmons , Jeremy Huddleston , Edward Foote , Spencer Novak
IPC分类号： G02B7/02
CPC分类号： G02B7/028 , G02B5/005
摘要： An integrated optical assembly comprises an optics mount, an optical element comprising material that is optically transparent, the optical element molded in the optics mount, and an optical aperture wherein the optical aperture is secured in fixed position with respect to the optics mount and the transparent optical element.

5. 发明申请

WO1993015422A1 REFRACTIVE ELEMENTS WITH GRADED PROPERTIES AND METHODS OF MAKING SAME 审中-公开
标题翻译：具有分级性质的折射元件及其制造方法
公开(公告)号：WO1993015422A1
公开(公告)日：1993-08-05
申请号：PCT/US1993000843
申请日：1993-01-28
申请人： LIGHTPATH TECHNOLOGIES, INC.
发明人： LIGHTPATH TECHNOLOGIES, INC. , BLANKENBECLER, Richard
IPC分类号： G02B03/00
CPC分类号： C03C23/007 , G02B3/0087
摘要： Methods of making gradient property refractive elements such as gradient index lens blanks. The spatial distributions of constituents achieved by subjecting various starting assemblages to various diffusion conditions are predicted. Each such predicted spatial distribution of constituents is converted to a spatial distribution of the graded property. The property distribution which best approximates a desired distribution is selected, to thereby select one starting assemblage and one set of diffusion conditions. That assemblage and set of conditions are used in fabrication of the element.

6. 发明申请

US20220377855A1 OPTICAL ELEMENT WITH HEATER LAYER 有权
公开(公告)号：US20220377855A1
公开(公告)日：2022-11-24
申请号：US17664186
申请日：2022-05-19
申请人： LightPath Technologies, Inc.
发明人： Shmuel Rubin
IPC分类号： H05B3/86 , G02B1/04 , H01L23/34 , C03C3/32
摘要： Methods and systems for providing de-icing and/or de-fogging of an optical element include providing a resistive layer on an optically transparent material. In one embodiment, an optical system includes an optical device having a moldable optical material having a first surface, a resistive transparent material deposited in a layer on the first surface, and a conductive pad in electrical contact with the resistive transparent material. A method can include providing a moldable optical material having a first surface, a resistive transparent material deposited in a layer on the first surface, and a conductive pad in electrical contact with the resistive transparent material, and providing electrical energy to the conductive pad to heat the resistive transparent material.

7. 发明申请

US20220057596A1 INTEGRATED OPTICAL ASSEMBLY AND MANUFACTURING THE SAME 有权
公开(公告)号：US20220057596A1
公开(公告)日：2022-02-24
申请号：US17249846
申请日：2021-03-16
申请人： LightPath Technologies, Inc.
发明人： Alan Symmons , Jeremy Huddleston , Edward Foote , Spencer Novak
IPC分类号： G02B7/02 , B29D11/00
摘要： An integrated optical assembly comprises an optics mount, an optical element comprising material that is optically transparent, the optical element molded in the optics mount, and an optical aperture wherein the optical aperture is secured in fixed position with respect to the optics mount and the transparent optical element.

8. 发明授权

US10641928B2 One optical design pattern/method of a cost effective IR lens 有权
公开(公告)号：US10641928B2
公开(公告)日：2020-05-05
申请号：US15712991
申请日：2017-09-22
申请人： LIGHTPATH TECHNOLOGIES, INC.
发明人： Fujian Ding , Mark Lifshotz
IPC分类号： G02B3/00 , G02B1/00 , G02B5/18 , G02B3/04 , G02B13/14 , G02B13/16 , G02B27/00 , G02B27/42
CPC分类号： G02B3/0062 , G02B1/00 , G02B3/04 , G02B5/1876 , G02B13/14 , G02B13/16 , G02B27/0025 , G02B27/0037 , G02B27/4216
摘要： An optical design pattern/method was invented to control the total cost including the material and the manufacturing of IR imaging lenses. This optical design pattern/method comprises a molded lens and an aberration correction lens. This design pattern/method leads to cost-effective IR imaging lenses because the unit cost of the molded lens is low for a volume production and the unit cost of the aberration correction lens is low for its very small manufacturing. This optical design pattern/method comprises any imaging and spectral applications for any partial band of 1 to 14 micron, such as (but not limited to) SWIR, MWIR, and LWIR.

9. 发明公开

US20240369414A1 THERMAL IMAGING INCLUDING AN EXTENDED SHORT WAVE INFRARED LIGHT SOURCE TO IDENTIFY AN OBJECT 审中-公开
公开(公告)号：US20240369414A1
公开(公告)日：2024-11-07
申请号：US18651613
申请日：2024-04-30
申请人： LightPath Technologies, Inc.
发明人： Shmuel RUBIN , Edward FOOTE
IPC分类号： G01J5/0801 , G01J5/00 , G01J5/08 , H04N5/33 , H04N23/23
CPC分类号： G01J5/0801 , G01J5/0859 , H04N5/33 , H04N23/23 , G01J2005/0077
摘要： An infrared imaging system includes a detector configured to detect wavelengths in a first infrared wavelength band and a second infrared wavelength band, shorter than the first infrared wavelength band, a light source configured to output light in the second infrared wavelength band to an object, and an identify circuit configured to identify the object based on spectral characteristics of light returned from the object detected by the detector. The second infrared wavelength band is an extended short wavelength infrared band.

10. 发明授权

US11802996B2 One optical design pattern/method of a cost effective IR lens 有权
公开(公告)号：US11802996B2
公开(公告)日：2023-10-31
申请号：US16865037
申请日：2020-05-01
申请人： LIGHTPATH TECHNOLOGIES, INC.
发明人： Fujian Ding , Mark Lifshotz
IPC分类号： G02B3/00 , G02B13/14 , G02B13/16 , G02B27/00 , G02B27/42 , G02B1/00 , G02B5/18 , G02B3/04
CPC分类号： G02B3/0062 , G02B1/00 , G02B3/04 , G02B5/1814 , G02B5/1876 , G02B13/14 , G02B13/16 , G02B27/0025 , G02B27/0037 , G02B27/4216
摘要： A lens system for infrared (IR) imaging, including a molded first lens element and an aberration correction second lens element. The first lens element is made of chalcogenide glass and has a first and second surface, one of the first and second surfaces of the first lens element being a diffractive surface. The second lens element has a first and second surface, one of the first and second surfaces being a planar surface and neither of the first and second surfaces being a diffractive surface. The second lens element is of a different material than the second lens element.

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