公开(公告)号：US20170176781A1

公开(公告)日：2017-06-22

申请号：US15381502

申请日：2016-12-16

Applicant: Electro-Optics Technology, Inc.

Inventor： David G. Scerbak ,  Evan Rogers ,  Amir Jalali Roudsar ,  Joseph R. Mambourg

IPC: G02F1/09 ,  G02B5/30 ,  G02B5/08 ,  G02B27/28

Abstract: An optical isolator for generally collimated laser radiation includes a single polarizing element, at least one Faraday optical element, at least one reciprocal polarization altering optical element disposed at the single polarizing element, at least one reflective optical element for reflecting radiation to provide an even number of passes through the at least one Faraday optical element, and a magnetic structure. The magnetic structure is capable of generating a magnetic field within the at least one Faraday optical element that is generally aligned with the even number of passes along a beam propagation axis. The optical isolator is configured to receive generally collimated laser radiation, which passes through the single polarizing element and the at least one reciprocal polarization altering optical element and which makes at least two passes through the at least one Faraday optical element, whereby generally collimated laser radiation is output from the optical isolator.

公开(公告)号：US09268159B2

公开(公告)日：2016-02-23

申请号：US14094204

申请日：2013-12-02

Applicant: Electro-Optics Technology, Inc.

Inventor： Evan M. Rogers ,  Amir A. Jalali ,  David G. Scerbak

IPC: G02F1/09 ,  G02B27/28 ,  G02B6/42

CPC classification number: G02F1/093 ,  G02B6/4208 ,  G02B6/4296

Abstract: A kW Class optical isolator employs negative feedback to yield low focal shift over dynamically changing power levels. The isolator is useful as a kW fiber laser output isolator.

Abstract translation: kW级光隔离器采用负反馈，在动态变化的功率水平上产生低焦点偏移。 隔离器可用作kW光纤激光输出隔离器。

公开(公告)号：US20140160565A1

公开(公告)日：2014-06-12

申请号：US14094204

申请日：2013-12-02

Applicant: Electro-Optics Technology, Inc.

Inventor： Evan M. Rogers ,  Amir A. Jalali ,  David G. Scerbak

IPC: G02F1/09

CPC classification number: G02F1/093 ,  G02B6/4208 ,  G02B6/4296

Abstract: A kW Class optical isolator employs negative feedback to yield low focal shift over dynamically changing power levels. The isolator is useful as a kW fiber laser output isolator.

Abstract translation: kW级光隔离器采用负反馈，在动态变化的功率水平上产生低焦点偏移。 隔离器可用作kW光纤激光输出隔离器。

公开(公告)号：US11693267B2

公开(公告)日：2023-07-04

申请号：US16521731

申请日：2019-07-25

Applicant: Electro-Optics Technology, Inc.

Inventor： David G. Scerbak ,  Evan Rogers ,  Amir Jalali Roudsar ,  Joseph R. Mambourg

IPC: G02F1/09 ,  G02F1/00

CPC classification number: G02F1/093

Abstract: An optical isolator for generally collimated laser radiation includes a single polarizing element, at least one Faraday optical element, at least one reciprocal polarization altering optical element disposed at the single polarizing element, at least one reflective optical element for reflecting radiation to provide an even number of passes through the at least one Faraday optical element, and a magnetic structure. The magnetic structure is capable of generating a magnetic field within the at least one Faraday optical element that is generally aligned with the even number of passes along a beam propagation axis. The optical isolator is configured to receive generally collimated laser radiation, which passes through the single polarizing element and the at least one reciprocal polarization altering optical element and which makes at least two passes through the at least one Faraday optical element, whereby generally collimated laser radiation is output from the optical isolator.

公开(公告)号：US11428914B1

公开(公告)日：2022-08-30

申请号：US16723191

申请日：2019-12-20

Applicant: Electro-Optics Technology, Inc.

Inventor： David G. Scerbak ,  Joseph R. Mambourg

IPC: G02F1/09 ,  G02B5/30 ,  G02B5/08 ,  G02B27/28 ,  G02B17/00

Abstract: An optical isolator for use with high power, collimated laser radiation includes an input polarizing optical element, at least one Faraday optical element, at least two reflective optical elements for reflecting laser radiation to provide an even number of passes through said at least one Faraday optical element, at least one reciprocal polarization altering optical element, an output polarizing optical element, at least one light redirecting element for remotely dissipating isolated or lost laser radiation. The isolator also includes at least one magnetic structure capable of generating a uniform magnetic field within the Faraday optical element which is aligned to the path of the collimated laser radiation and a mechanical structure for holding said optical elements to provide thermal gradients that are aligned to the path of the collimated laser radiation and that provide thermal and mechanical isolation between the magnetic structure and the optical elements.