公开(公告)号：US06672725B1

公开(公告)日：2004-01-06

申请号：US10040747

申请日：2002-01-09

申请人： John VanOsdol ,  Steven Woodruff

发明人： John VanOsdol ,  Steven Woodruff

IPC分类号： G02B100

CPC分类号： G01N21/15 ,  G02B27/0006

摘要： An optical apparatus for clearly viewing the interior of a containment vessel by applying a transpiration fluid to a volume directly in front of the external surface of the optical element of the optical apparatus. The fluid is provided by an external source and transported by means of an annular tube to a capped end region where the inner tube is perforated. The perforation allows the fluid to stream axially towards the center of the inner tube and then axially away from an optical element which is positioned in the inner tube just prior to the porous sleeve. This arrangement draws any contaminants away from the optical element keeping it free of contaminants. In one of several embodiments, the optical element can be a lens, a viewing port or a laser, and the external source can provide a transpiration fluid having either steady properties or time varying properties.

摘要翻译： 一种光学装置，用于通过将蒸发流体直接在光学装置的光学元件的外表面的前面的体积施加蒸气来清楚地观察容纳容器的内部。 流体由外部源提供并且通过环形管输送到内管穿孔的封端端区域。 穿孔允许流体轴向流动到内管的中心，然后轴向地远离位于多孔套管之前的内管中的光学元件。 这种布置使得任何污染物远离光学元件，保持其免受污染物的影响。 在几个实施例中的一个实施例中，光学元件可以是透镜，观察端口或激光器，并且外部源可以提供具有稳定性质或时变特性的蒸腾流体。

公开(公告)号：US07421166B1

公开(公告)日：2008-09-02

申请号：US11462516

申请日：2006-08-04

申请人： Steven Woodruff ,  Dustin L. McIntyre

发明人： Steven Woodruff ,  Dustin L. McIntyre

IPC分类号： G02B6/26 ,  G02B6/42 ,  F02P7/063 ,  H01S3/091

CPC分类号： F02P23/04 ,  F02P7/022 ,  G02B6/4296 ,  H01S3/094053 ,  H01S3/094061 ,  H01S3/09415 ,  H01S3/113 ,  H01S3/2308 ,  H01S3/2383

摘要： A laser spark distribution and ignition system that reduces the high power optical requirements for use in a laser ignition and distribution system allowing for the use of optical fibers for delivering the low peak energy pumping pulses to a laser amplifier or laser oscillator. An optical distributor distributes and delivers optical pumping energy from an optical pumping source to multiple combustion chambers incorporating laser oscillators or laser amplifiers for inducing a laser spark within a combustion chamber. The optical distributor preferably includes a single rotating mirror or lens which deflects the optical pumping energy from the axis of rotation and into a plurality of distinct optical fibers each connected to a respective laser media or amplifier coupled to an associated combustion chamber. The laser spark generators preferably produce a high peak power laser spark, from a single low power pulse. The laser spark distribution and ignition system has application in natural gas fueled reciprocating engines, turbine combustors, explosives and laser induced breakdown spectroscopy diagnostic sensors.

摘要翻译： 一种激光火花分配和点火系统，其减少了用于激光点火和分配系统的高功率光学要求，允许使用光纤将低峰值能量泵浦脉冲传递到激光放大器或激光振荡器。 光学分配器将来自光泵浦源的光泵浦能量分配并传送到包括用于在燃烧室内引起激光火花的激光振荡器或激光放大器的多个燃烧室。 光学分配器优选地包括单个旋转镜或透镜，其将光泵浦能量从旋转轴线偏转成多个不同的光纤，每个光纤连接到耦合到相关联的燃烧室的相应激光介质或放大器。 激光火花发生器优选地从单个低功率脉冲产生高峰值功率激光火花。 激光火花分布和点火系统应用于天然气燃料往复式发动机，涡轮燃烧器，爆炸物和激光诱导击穿光谱诊断传感器。