公开(公告)号：US08985846B2

公开(公告)日：2015-03-24

申请号：US13377578

申请日：2010-06-10

申请人： Eliyahu Bender ,  Shimon Elstein ,  Mark Ivker

发明人： Eliyahu Bender ,  Shimon Elstein ,  Mark Ivker

IPC分类号： G01K17/20 ,  G01K17/00 ,  G01K7/28

CPC分类号： G01K17/003 ,  G01J1/4257 ,  G01J5/12 ,  G01K7/28

摘要： A laser power meter incorporating an absorber disc with a peripheral thermopile ring, either continuous or segmented, and an additional temperature detection element in the central portion, that enables measurement of beam size. This detection element can be a thermopile element, generally a ring of smaller diameter than the peripheral thermopile used, and located closer to the center of the absorber disc. With this arrangement the beam size can be measured, in addition to measurements of the power and the position of the beam. Alternatively, this centralized detection element can be a single thermocouple junction located at the center of the disc, which acts as the hot junction of a thermocouple pair. The second or cold junction is effectively located on the disc close to the peripheral thermopile. Alternatively, two temperature measuring elements can be used, one at the disc center and one at the periphery.

摘要翻译： 一种激光功率计，其包括具有连续或分段的外围热电堆环的吸收器盘和在中心部分的附加温度检测元件，其能够测量束尺寸。 该检测元件可以是热电堆元件，通常是比所使用的外围热电堆更小的直径的环，并且更靠近吸收器盘的中心。 利用这种布置，除了测量光束的功率和位置之外，还可以测量光束尺寸。 或者，该集中式检测元件可以是位于盘中心的单个热电偶连接点，其作为热电偶对的热接头。 第二或冷接点有效地位于靠近外围热电堆的盘上。 或者，可以使用两个温度测量元件，一个在盘中心，一个在周边。

公开(公告)号：US20120134386A1

公开(公告)日：2012-05-31

申请号：US13377578

申请日：2010-06-10

申请人： Eliyahu Bender ,  Shimon Elstein ,  Mark Ivker

发明人： Eliyahu Bender ,  Shimon Elstein ,  Mark Ivker

IPC分类号： G01K17/20

CPC分类号： G01K17/003 ,  G01J1/4257 ,  G01J5/12 ,  G01K7/28

摘要： A laser power meter incorporating an absorber disc with a peripheral thermopile ring, either continuous or segmented, and an additional temperature detection element in the central portion, that enables measurement of beam size. This detection element can be a thermopile element, generally a ring of smaller diameter than the peripheral thermopile used, and located closer to the center of the absorber disc. With this arrangement the beam size can be measured, in addition to measurements of the power and the position of the beam. Alternatively, this centralized detection element can be a single thermocouple junction located at the center of the disc, which acts as the hot junction of a thermocouple pair. The second or cold junction is effectively located on the disc close to the peripheral thermopile. Alternatively, two temperature measuring elements can be used, one at the disc center and one at the periphery.

摘要翻译： 一种激光功率计，其包括具有连续或分段的外围热电堆环的吸收器盘和在中心部分的附加温度检测元件，其能够测量束尺寸。 该检测元件可以是热电堆元件，通常是比所使用的外围热电堆更小的直径的环，并且更靠近吸收器盘的中心。 利用这种布置，除了测量光束的功率和位置之外，还可以测量光束尺寸。 或者，该集中式检测元件可以是位于盘中心的单个热电偶连接点，其作为热电偶对的热接头。 第二或冷接点有效地位于靠近外围热电堆的盘上。 或者，可以使用两个温度测量元件，一个在盘中心，一个在周边。