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    REDUCING SPECTRAL VARIANCE OF A LASER SOURCE
    1.
    发明公开
    REDUCING SPECTRAL VARIANCE OF A LASER SOURCE 审中-公开

    公开(公告)号：US20240055822A1

    公开(公告)日：2024-02-15

    申请号：US17884427

    申请日：2022-08-09

    Applicant: Meta Platforms Technologies, LLC

    Inventor： Joseph Mansour

    IPC: H01S3/08

    CPC classification number: H01S3/08063 ,  H01S3/08081

    Abstract: A laser source includes an optical resonator including first and second reflectors having first and second reflection spectral bands. A gain medium is disposed in the optical resonator. The gain medium has a gain spectrum. Center wavelengths of at least two of: the first reflection spectral band; the second reflection spectral band; or the gain spectrum are offset relative to each other for reduction of a spectral variance of the laser source. For example, the first and the second reflection spectral bands may be offset relative to one another to form an overlap area above a lasing threshold. The lasing is limited to the overlap area. When the overlap area accommodates a single lasing mode, the output emission of the laser source is monochromatic.

    HIGH PULSE ENERGY AND HIGH BEAM QUALITY MINI LASER
    4.
    发明申请
    HIGH PULSE ENERGY AND HIGH BEAM QUALITY MINI LASER 有权
    高脉冲能量和高光束质量微型激光

    公开(公告)号：US20160336709A1

    公开(公告)日：2016-11-17

    申请号：US14947181

    申请日：2015-11-20

    Applicant: JGM Associates, Inc.

    Inventor： Jeffrey G. Manni

    IPC: H01S3/08 ,  H01S3/16 ,  H01S5/40 ,  H01S3/117 ,  H01S3/0941 ,  H01S3/06 ,  H01S3/115

    CPC classification number: H01S3/08081 ,  H01S3/0602 ,  H01S3/0615 ,  H01S3/08072 ,  H01S3/09408 ,  H01S3/094084 ,  H01S3/0941 ,  H01S3/1103 ,  H01S3/1115 ,  H01S3/115 ,  H01S3/117 ,  H01S3/1603 ,  H01S5/4025

    Abstract: A laser including a solid state laser gain medium having a D-shaped cross section and an unstable resonator laser cavity including the solid state laser gain medium configured with a geometric magnification in a range of 1 to 5 under the intended operating conditions, including the effects of thermal lensing in the gain medium. An optical switching device in the unstable resonator laser cavity generates a pulse duration in the range of 0.05 to 100 nanoseconds. A diode-pump source is configured to inject pump light through the curved or barrel surface of the D-shaped gain medium.

    Abstract translation: 一种激光器，包括具有D形横截面的固体激光增益介质和不稳定谐振腔激光器腔，所述固态激光器腔体包括在预期操作条件下配置有1至5范围内的几何倍率的固态激光增益介质，包括效果 的增透介质中的热透镜。 不稳定谐振腔激光腔中的光开关器件产生0.05至100纳秒范围内的脉冲持续时间。 二极管泵浦源被配置为将泵浦光注入D形增益介质的弯曲或桶表面。

    Ceramic gas laser having an integrated beam shaping waveguide
    6.
    发明授权
    Ceramic gas laser having an integrated beam shaping waveguide 有权
    具有集成光束整形波导的陶瓷气体激光器

    公开(公告)号：US08295319B2

    公开(公告)日：2012-10-23

    申请号：US12952289

    申请日：2010-11-23

    Applicant: Clifford E. Morrow ,  Wendelin Weingartner

    Inventor： Clifford E. Morrow ,  Wendelin Weingartner

    IPC: H01S3/03

    CPC classification number: H01S3/0315 ,  H01S3/005 ,  H01S3/03 ,  H01S3/032 ,  H01S3/0323 ,  H01S3/034 ,  H01S3/08081 ,  H01S3/0971

    Abstract: A laser may comprise a ceramic body defining a chamber therein containing a laser gas. The ceramic body may include a plurality of parallel walls that partially define a first section of the chamber, the first section of the chamber defining a waveguide. The ceramic body may further include a plurality of oblique walls that partially define a second section of the chamber, the second section of the chamber being shaped to modify a transverse profile of a laser beam traveling through the second section of the chamber. The laser may further comprise a plurality of electrodes positioned outside the ceramic body and adjacent to the plurality of parallel walls such that only laser gas within the first section of the chamber is excited when an excitation signal is applied to the plurality of electrodes.

    Abstract translation: 激光器可以包括限定其中包含激光气体的室的陶瓷体。 陶瓷体可以包括部分地限定腔室的第一部分的多个平行壁，腔室的第一部分限定波导。 陶瓷体还可以包括多个部分地限定腔室的第二部分的倾斜壁，腔室的第二部分被成形为修改穿过腔室的第二部分的激光束的横向轮廓。 激光器还可以包括位于陶瓷体外部并且邻近多个平行壁的多个电极，使得当向多个电极施加激励信号时，只激活腔室的第一部分内的激光气体。

    Laser with hybrid-unstable ring resonator
    9.
    发明申请
    Laser with hybrid-unstable ring resonator 失效
    具有混合不稳定环形谐振器的激光器

    公开(公告)号：US20070019701A1

    公开(公告)日：2007-01-25

    申请号：US10555545

    申请日：2003-05-07

    Applicant: Vladimir Sherstobitov ,  Andrey Rodionov

    Inventor： Vladimir Sherstobitov ,  Andrey Rodionov

    IPC: H01S3/22 ,  H01S3/091 ,  H01S3/097 ,  H01S3/08 ,  H01S3/223 ,  H01S3/092

    CPC classification number: H01S3/083 ,  H01S3/0315 ,  H01S3/063 ,  H01S3/08081 ,  H01S3/0818 ,  H01S3/0835

    Abstract: A unidirectional ring laser oscillator has a travelling wave unstable mode in one transverse dimension and either a waveguide or freespace Gaussian mode in the orthogonal transverse dimension for coupling to large volumes of asymmetric cross section laser gain media. This device concept is shown to have unique and innovative features such as an exchange of left for right in the intracavity radiation profile without having to employ concave optics. Also, a high insensitivity to misalignment of one of the intracavity ring optics is achieved without having to suffer any deleterious effects associated with the high intensity of radiation normally encountered at an intracavity focal plane. Unidirectional operation of the laser is achieved using both intracavity and extracavity optical techniques.

    Abstract translation: 单向环形激光振荡器在一个横向尺寸上具有行波不稳定模式，并且在正交横向尺寸中具有波导或自由高斯模式，用于耦合到大体积的不对称横截面激光增益介质。 该装置概念被证明具有独特和创新的特征，例如在腔内辐射轮廓内左右交换，而不必使用凹形光学器件。 此外，对腔内环形光学元件之一的未对准的高度不敏感性实现，而不必遭受与腔内焦平面通常遇到的高强度辐射相关联的任何有害影响。 使用腔内和腔外光学技术实现激光器的单向操作。

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