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1. 发明授权

US07244028B2 Laser illuminated projection displays 失效
标题翻译：激光照明投影显示屏
公开(公告)号：US07244028B2
公开(公告)日：2007-07-17
申请号：US11011736
申请日：2004-12-14
申请人： Sergei V. Govorkov , Luis A. Spinelli , Juan L. Chilla , Andrea Caprara , Murray K. Reed
发明人： Sergei V. Govorkov , Luis A. Spinelli , Juan L. Chilla , Andrea Caprara , Murray K. Reed
IPC分类号： G03B21/14
CPC分类号： G03B21/62 , G02B26/101 , G02B27/48 , G03B21/10 , G03B21/56 , H04N9/3152 , H04N9/3161
摘要： A projection video display includes at least one laser for delivering a light beam. The display includes a beam homogenizer and a condenser lens. A scanning arrangement is provided for scanning the light in beam in a particular pattern over the condenser lens in a manner that effectively increases the beam divergence. The scanned beam is homogenized by a beam homogenizer and a spatial light modulator is arranged to receive the homogenized scanned light beam and spatially modulate the beam in accordance with a component of an image to be displayed. Projection optics are projecting the homogenized scanned light beam onto a screen. The scanning provides that the homogenized scanned light beam at the screen has a coherence radius less than the original coherence radius of the beam. The reduced coherence radius contributes to minimizing speckle contrast in the image displayed on the screen. The screen includes one or more features providing a further contribution to minimizing speckle contrast in the displayed image. In one example, the screen includes a transparent cell containing a liquid having light scattering particles in suspension.
摘要翻译：投影视频显示器包括用于传送光束的至少一个激光器。显示器包括光束均化器和聚光透镜。提供了一种扫描装置，用于以有效地增加光束发散的方式在聚光透镜上以特定图案扫描光束中的光。扫描的光束通过光束均化器均质化，并且空间光调制器被布置成接收均匀化的扫描光束，并且根据要显示的图像的分量对光束进行空间调制。投影光学器件将均匀化的扫描光束投影到屏幕上。扫描提供了屏幕上的均匀化扫描光束的相干半径小于光束的原始相干半径。减小的相干半径有助于最小化屏幕上显示的图像中的斑点对比度。屏幕包括一个或多个特征，为减少显示图像中的散斑对比度提供进一步的贡献。在一个示例中，屏幕包括含有悬浮液中具有光散射颗粒的液体的透明单元。

2. 发明申请

US20080143888A1 Laser illuminated projection displays 失效
公开(公告)号：US20080143888A1
公开(公告)日：2008-06-19
申请号：US12012966
申请日：2008-02-06
申请人： Juan L. Chilla , Sergei V. Govorkov , Andrea Caprara , Murray K. Reed , Luis A. Spinelli
发明人： Juan L. Chilla , Sergei V. Govorkov , Andrea Caprara , Murray K. Reed , Luis A. Spinelli
IPC分类号： H04N5/74
CPC分类号： H04N9/3129 , H04N9/3114 , H04N9/315
摘要： A projection video display includes a light source including an OPS-laser delivering laser radiation in multiple transverse modes (a multiple-transverse-mode OPS-laser). The display includes a spatial light modulator for spatially modulating the radiation from the multiple-transverse-mode OPS-laser in accordance with a portion of an image to be displayed. Projection optics project the spatially modulated light on a screen on which the image is to be displayed. In one example the OPS-laser is a diode-laser array pumped OPS-laser and is one of three lasers, one delivering red light, one delivering blue light, and the other delivering green light. The lasers are time modulated such that the spatial light modulator receives light from each of the lasers separately. The OPS laser is directly time modulated by periodically turning the diode-laser array on and off.

3. 发明申请

US20100260210A1 OPS-LASER PUMPED FIBER-LASER 审中-公开
标题翻译： OPS激光泵浦光纤激光器
公开(公告)号：US20100260210A1
公开(公告)日：2010-10-14
申请号：US12422913
申请日：2009-04-13
申请人： Luis A. SPINELLI , Sergei V. Govorkov , Andrea Caprara
发明人： Luis A. SPINELLI , Sergei V. Govorkov , Andrea Caprara
IPC分类号： H01S3/30
CPC分类号： H01S3/067 , H01S3/094007 , H01S3/094011 , H01S3/094057 , H01S3/09408 , H01S3/09415 , H01S5/024 , H01S5/041 , H01S5/14 , H01S5/183
摘要： An optical gain-fiber of a fiber-laser or a fiber-amplifier is optically pumped by radiation from a plurality of external cavity, optically pumped, surface-emitting semiconductor lasers (OPS-lasers). In one example, radiation from the OPS-lasers is focused by a lens into cladding of the gain-fiber at one end of the fiber. In another example radiation from the diode-lasers is focused into the core of a delivery fiber at one end of the delivery fiber. The other end of the delivery fiber is coupled to the cladding of the gain-fiber.
摘要翻译：光纤激光器或光纤放大器的光增益光纤通过来自多个外腔，光泵浦，表面发射半导体激光器（OPS激光器）的辐射而被光泵浦。在一个示例中，来自OPS激光器的辐射由透镜聚焦在纤维的一端处的增益光纤的包层中。在另一示例中，来自二极管激光器的辐射聚焦到输送纤维的一端处的输送纤维的芯部。传送光纤的另一端耦合到增益光纤的包层。

4. 发明授权

US07633562B2 Laser illuminated projection displays 失效
标题翻译：激光照明投影显示屏
公开(公告)号：US07633562B2
公开(公告)日：2009-12-15
申请号：US12012966
申请日：2008-02-06
申请人： Juan L. Chilla , Sergei V. Govorkov , Andrea Caprara , Murray K. Reed , Luis A. Spinelli
发明人： Juan L. Chilla , Sergei V. Govorkov , Andrea Caprara , Murray K. Reed , Luis A. Spinelli
IPC分类号： H01S3/08
CPC分类号： H04N9/3129 , H04N9/3114 , H04N9/315
摘要： A projection video display includes a light source including an OPS-laser delivering laser radiation in multiple transverse modes (a multiple-transverse-mode OPS-laser). The display includes a spatial light modulator for spatially modulating the radiation from the multiple-transverse-mode OPS-laser in accordance with a portion of an image to be displayed. Projection optics project the spatially modulated light on a screen on which the image is to be displayed. In one example the OPS-laser is a diode-laser array pumped OPS-laser and is one of three lasers, one delivering red light, one delivering blue light, and the other delivering green light. The lasers are time modulated such that the spatial light modulator receives light from each of the lasers separately. The OPS laser is directly time modulated by periodically turning the diode-laser array on and off.
摘要翻译：投影视频显示器包括包括以多个横向模式递送激光辐射的OPS激光器（多横模OPS激光器）的光源。显示器包括用于根据要显示的图像的一部分来空间调制来自多横模OPS激光器的辐射的空间光调制器。投影光学器件将空间调制光投射到要显示图像的屏幕上。在一个示例中，OPS激光器是二极管激光阵列泵浦OPS激光器，是三个激光器之一，一个发射红光，一个发射蓝光，另一个传递绿光。激光器被时间调制，使得空间光调制器分别接收来自每个激光器的光。 OPS激光器通过周期性地打开和关闭二极管激光器阵列而被直接时间调制。

5. 发明授权

US07355657B2 Laser illuminated projection displays 失效
标题翻译：激光照明投影显示屏
公开(公告)号：US07355657B2
公开(公告)日：2008-04-08
申请号：US11011075
申请日：2004-12-14
申请人： Juan L. Chilla , Sergei V. Govorkov , Andrea Caprara , Murray K. Reed , Luis A. Spinelli
发明人： Juan L. Chilla , Sergei V. Govorkov , Andrea Caprara , Murray K. Reed , Luis A. Spinelli
IPC分类号： H04N9/31 , H01S3/08 , G03B21/14
CPC分类号： H04N9/3129 , H04N9/3114 , H04N9/315
摘要： A projection video display includes a light source including an OPS-laser delivering laser radiation in multiple transverse modes (a multiple-transverse-mode OPS-laser). The display includes a spatial light modulator for spatially modulating the radiation from the multiple-transverse-mode OPS-laser in accordance with a portion of an image to be displayed. Projection optics project the spatially modulated light on a screen on which the image is to be displayed. In one example the OPS-laser is a diode-laser array pumped OPS-laser and is one of three lasers, one delivering red light, one delivering blue light, and the other delivering green light. The lasers are time modulated such that the spatial light modulator receives light from each of the lasers separately. The OPS laser is directly time modulated by periodically turning the diode-laser array on and off.
摘要翻译：投影视频显示器包括包括以多个横向模式递送激光辐射的OPS激光器（多横模OPS激光器）的光源。显示器包括用于根据要显示的图像的一部分来空间调制来自多横模OPS激光器的辐射的空间光调制器。投影光学器件将空间调制光投射到要显示图像的屏幕上。在一个示例中，OPS激光器是二极管激光阵列泵浦OPS激光器，是三个激光器之一，一个发射红光，一个发射蓝光，另一个传递绿光。激光器被时间调制，使得空间光调制器分别接收来自每个激光器的光。 OPS激光器通过周期性地打开和关闭二极管激光器阵列而被直接时间调制。

6. 发明授权

US5991318A Intracavity frequency-converted optically-pumped semiconductor laser 有权
公开(公告)号：US5991318A
公开(公告)日：1999-11-23
申请号：US179022
申请日：1998-10-26
申请人： Andrea Caprara , Juan L. Chilla , Luis A. Spinelli
发明人： Andrea Caprara , Juan L. Chilla , Luis A. Spinelli
IPC分类号： G02F1/37 , H01S3/108 , H01S3/109 , H01S5/024 , H01S5/04 , H01S5/06 , H01S5/14 , H01S5/18 , H01S5/183 , H01S5/323 , H01S3/10
CPC分类号： H01S5/041 , H01S5/141 , H01S3/082 , H01S3/09415 , H01S3/1083 , H01S3/109 , H01S5/18383
摘要： An intracavity, frequency-doubled, external-cavity, optically-pumped semiconductor laser in accordance with the present invention includes a monolithic surface-emitting semiconductor layer structure including a Bragg mirror portion and a gain portion. An external mirror and the Bragg-mirror portion define a laser resonant-cavity including the gain-portion of the semiconductor layer structure. A birefringent filter is located in the resonant-cavity for selecting a frequency of the laser-radiation within a gain bandwidth characteristic of semiconductor structure. An optically-nonlinear crystal is located in the resonant-cavity between the birefringent filter and the external mirror and arranged to double the selected frequency of laser-radiation.

7. 发明授权

US07593440B2 MOPA laser apparatus with two master oscillators for generating ultraviolet radiation 有权
标题翻译：具有两个用于产生紫外线辐射的主振荡器的MOPA激光装置
公开(公告)号：US07593440B2
公开(公告)日：2009-09-22
申请号：US11387400
申请日：2006-03-23
申请人： Luis A. Spinelli , Andrea Caprara , Andrei Staroudoumov , Norman Hodgson
发明人： Luis A. Spinelli , Andrea Caprara , Andrei Staroudoumov , Norman Hodgson
IPC分类号： H01S3/10
CPC分类号： H01S3/2383 , G02F1/3534 , G02F1/37 , G02F2001/354 , H01S3/0085 , H01S3/06754 , H01S3/109 , H01S3/1304 , H01S3/1305 , H01S3/1608 , H01S3/1611 , H01S3/1618 , H01S3/2308
摘要： Laser apparatus including two different, pulsed MOPAs, one having a fundamental wavelength of 1064 nm and the other having a fundamental wavelength of 1564 nm, provide trains of optical pulses. The 1064-nm pulses are frequency tripled to 355 nm and the 1564-nm pulses are frequency doubled to 782 nm. The 355-nm and 782-nm pulses are mixed to provide 244-nm pulses. The 244-nm pulses are mixed with residual 1064-nm pulses to provide 198-nm output pulses of the apparatus. The output pulses can be either digitally modulated or amplitude modulated by controlling the phase relationship between the 1064-nm and 1564-nm pulses.
摘要翻译：包括两个不同的脉冲MOPA的激光装置，一个基本波长为1064nm，另一个具有1564nm的基波，提供光脉冲列。 1064nm脉冲频率增加到355nm，1564nm脉冲频率加倍到782nm。将355nm和782nm的脉冲混合以提供244nm的脉冲。将244nm脉冲与残余的1064nm脉冲混合，以提供装置的198nm输出脉冲。输出脉冲可以通过控制1064 nm和1564 nm脉冲之间的相位关系进行数字调制或幅度调制。

8. 发明授权

US07447245B2 Optically pumped semiconductor laser pumped optical parametric oscillator 有权
标题翻译：光泵浦半导体激光泵浦光参量振荡器
公开(公告)号：US07447245B2
公开(公告)日：2008-11-04
申请号：US11801538
申请日：2007-05-10
申请人： Andrea Caprara , Luis A. Spinelli , R. Russel Austin
发明人： Andrea Caprara , Luis A. Spinelli , R. Russel Austin
IPC分类号： H01S3/10 , H01S3/08 , H01S3/083
CPC分类号： G02F1/39 , H01S3/082 , H01S3/1083 , H01S3/109 , H01S5/14
摘要： An optically pumped semiconductor pumped optical parametric oscillator (OPS-pumped OPO) includes an OPS laser resonator and an OPO resonator A portion the OPS laser resonator axis and the OPO resonator axis are collinear. An optically nonlinear crystal is located in the coaxial portion of the resonators and arranged to frequency divide fundamental radiation generated in the OPS laser resonator into signal and idler radiations. In one arrangement, the OPO laser resonator is also an OPS resonator and is arranged to generate radiation at the wavelength of the signal radiation, with the idler radiation having the difference-frequency wavelength of the signal and fundamental radiations.
摘要翻译：光泵浦半导体泵浦光参量振荡器（OPS泵浦OPO）包括OPS激光谐振器和OPO谐振器A部分，OPS激光谐振器轴和OPO谐振器轴共线。光学非线性晶体位于谐振器的同轴部分中，并被布置成将OPS激光谐振器中产生的基本辐射频率分频为信号和惰轮辐射。在一种布置中，OPO激光谐振器也是OPS谐振器，并且被布置成在信号辐射的波长处产生辐射，惰性辐射具有信号的差频波长和基波辐射。

9. 发明授权

US06574255B1 High-power external-cavity optically-pumped semiconductor lasers 有权
标题翻译：大功率外腔光泵浦半导体激光器
公开(公告)号：US06574255B1
公开(公告)日：2003-06-03
申请号：US09263928
申请日：1999-03-05
申请人： Andrea Caprara , Juan L. Chilla , Luis A. Spinelli
发明人： Andrea Caprara , Juan L. Chilla , Luis A. Spinelli
IPC分类号： H01S319
CPC分类号： H01S5/141 , H01S3/109 , H01S5/02484 , H01S5/041 , H01S5/183
摘要： External cavity optically-pumped semiconductor lasers (OPS-lasers) including an OPS-structure having a mirror-structure surmounted by a surface-emitting, semiconductor multilayer (periodic) gain-structure are disclosed. The gain-structure in pumped by light from diode-lasers. The OPS-lasers can provide fundamental laser output-power of about two Watts (2.0 w) or greater. Inactivity frequency-converted arrangements of the OPS-lasers can provide harmonic laser output-power of about one-hundred milliwatts (100 raw) or greater, even at wavelengths in the ultraviolet region of the electromagnetic spectrum. These high output powers can be provided even in single axial-mode operation. Particular features of the OPS-lasers include a heat sink-assembly for cooling the OPS-structure, a folded resonator concept for providing optimum beam size at optically-nonlinear crystals used for frequency conversion, preferred selection of optically-nonlinear materials for frequency-conversion, and compound resonator designs for amplifying second harmonic-radiation for subsequent conversion to third or fourth harmonic radiation.
摘要翻译：公开了包括具有由表面发射的半导体多层（周期）增益结构所覆盖的镜面结构的OPS结构的外腔光泵浦半导体激光器（OPS-激光器）。由二极管激光器的光泵浦的增益结构。 OPS激光器可以提供约2瓦（2.0瓦）或更大的基本激光输出功率。即使在电磁波谱的紫外线区域的波长下，OPS-激光器的不活动频率转换装置也可提供大约一百毫瓦（100原始）或更大的谐波激光输出功率。即使在单轴向模式操作中也可以提供这些高输出功率。 OPS激光器的特征包括用于冷却OPS结构的散热器组件，用于在用于频率转换的光学非线性晶体处提供最佳光束尺寸的折叠谐振器概念，用于频率转换的光学非线性材料的优选选择以及用于放大二次谐波辐射以用于随后转换成第三或第四谐波辐射的复合谐振器设计。

10. 发明授权

US06507593B1 Step-tunable external-cavity surface-emitting semiconductor laser 失效
标题翻译：步进可调谐外腔表面发射半导体激光器
公开(公告)号：US06507593B1
公开(公告)日：2003-01-14
申请号：US09963607
申请日：2001-09-24
申请人： Luis A. Spinelli , Juan L. Chilla , Andrea Caprara , Briggs Atherton
发明人： Luis A. Spinelli , Juan L. Chilla , Andrea Caprara , Briggs Atherton
IPC分类号： H01S310
CPC分类号： H01S5/183 , H01S3/082 , H01S3/09415 , H01S3/105 , H01S3/106 , H01S5/02248 , H01S5/041 , H01S5/0654 , H01S5/1039 , H01S5/141 , H01S5/142 , H01S2301/163 , H01S2301/166
摘要： A laser for delivering laser radiation at a selected one of a plurality of equally-spaced frequencies extending over a frequency range includes a laser resonator defined by two end mirrors. The resonator includes a surface-emitting semiconductor multilayer gain-structure in optical contact with one of the mirrors. A third mirror located in the laser resonator forms an etalon with that mirror. The third mirror is movable for adjusting a peak transmission frequency of the etalon to align with the selected frequency. The resonator end mirrors are spaced apart by an optical distance selected such that the frequency and frequency-spacing of possible longitudinal lasing modes of the resonator correspond with the plurality of equally-spaced frequencies. When the peak transmission frequency of the etalon is aligned with the selected frequency the laser resonator delivers radiation in a single longitudinal mode at the selected frequency.
摘要翻译：用于以在频率范围上延伸的多个等间隔的频率中的选定的一个传送激光辐射的激光器包括由两个后视镜限定的激光谐振器。谐振器包括与其中一个反射镜光学接触的表面发射半导体多层增益结构。位于激光谐振器中的第三个反射镜与该反射镜形成标准具。第三反射镜是可移动的，用于调节标准具的峰值传输频率以与所选择的频率对准。共振器端反射镜被选择的光学距离间隔开，使得谐振器的可能的纵向激光模式的频率和频率间隔对应于多个等间隔的频率。当标准具的峰值传输频率与所选频率对准时，激光谐振器以所选频率在单个纵向模式中传送辐射。

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