TUNABLE INFRARED LASERS FOR GAS-PHASE SPECTROSCOPY
    1.
    发明申请
    TUNABLE INFRARED LASERS FOR GAS-PHASE SPECTROSCOPY 有权
    用于气相分光光度计的红外激光

    公开(公告)号:US20080240174A1

    公开(公告)日:2008-10-02

    申请号:US12056454

    申请日:2008-03-27

    IPC分类号: H01S3/10

    摘要: Exemplary embodiments provide tunable laser devices, methods for making the laser devices and methods for tuning the laser devices. The tunable laser devices can include an optically pumped semiconductor laser heterostructure, on which a distributed-feedback (DFB) laser grating having variable grating spacings (or chirps) can be formed. The optically pumped semiconductor laser heterostructure can be an optically pumped type-II quantum well laser structure. The emission wavelength of the tunable laser devices can be tuned by changing positions of the region illuminated by the pump laser and with respect to the chirped DFB grating. The disclosed laser devices and methods can provide tunable laser emission with a combination of narrow linewidth and high output power that can be used for remote sensing applications and/or spectroscopic applications across the entire mid infrared (IR) spectral region.

    摘要翻译: 示例性实施例提供可调激光器件,用于制造激光器件的方法和用于调谐激光器件的方法。 可调激光器件可以包括光泵浦的半导体激光异质结构,其上可以形成具有可变光栅间隔(或线性调频脉冲)的分布反馈(DFB)激光光栅。 光泵浦半导体激光异质结构可以是光泵浦型II量子阱激光器结构。 可调谐激光器件的发射波长可以通过改变由泵激光器照射的区域和相对于啁啾DFB光栅的位置来调节。 所公开的激光器件和方法可以提供具有窄线宽和高输出功率的组合的可调谐激光发射,其可用于整个中红外(IR)光谱区域的遥感应用和/或光谱应用。

    Tunable infrared lasers for gas-phase spectroscopy
    2.
    发明授权
    Tunable infrared lasers for gas-phase spectroscopy 有权
    可调谐红外激光器用于气相光谱

    公开(公告)号:US07656912B2

    公开(公告)日:2010-02-02

    申请号:US12056454

    申请日:2008-03-27

    IPC分类号: H01S3/10 H01S3/08

    摘要: Exemplary embodiments provide tunable laser devices, methods for making the laser devices and methods for tuning the laser devices. The tunable laser devices can include an optically pumped semiconductor laser heterostructure, on which a distributed-feedback (DFB) laser grating having variable grating spacings (or chirps) can be formed. The optically pumped semiconductor laser heterostructure can be an optically pumped type-II quantum well laser structure. The emission wavelength of the tunable laser devices can be tuned by changing positions of the region illuminated by the pump laser and with respect to the chirped DFB grating. The disclosed laser devices and methods can provide tunable laser emission with a combination of narrow linewidth and high output power that can be used for remote sensing applications and/or spectroscopic applications across the entire mid infrared (IR) spectral region.

    摘要翻译: 示例性实施例提供可调激光器件,用于制造激光器件的方法和用于调谐激光器件的方法。 可调激光器件可以包括光泵浦的半导体激光异质结构,其上可以形成具有可变光栅间隔(或线性调频脉冲)的分布反馈(DFB)激光光栅。 光泵浦半导体激光异质结构可以是光泵浦型II量子阱激光器结构。 可调谐激光器件的发射波长可以通过改变由泵激光器照射的区域和相对于啁啾DFB光栅的位置来调节。 所公开的激光器件和方法可以提供具有窄线宽和高输出功率的组合的可调谐激光发射,其可用于整个中红外(IR)光谱区域的遥感应用和/或光谱应用。

    Multiple wavelength broad bandwidth optically pumped semiconductor laser
    3.
    发明授权
    Multiple wavelength broad bandwidth optically pumped semiconductor laser 失效
    多波长宽带光泵浦半导体激光器

    公开(公告)号:US06553045B2

    公开(公告)日:2003-04-22

    申请号:US09682450

    申请日:2001-09-04

    申请人: Ron Kaspi

    发明人: Ron Kaspi

    IPC分类号: H01S504

    摘要: An optically pumped semiconductor laser with the active region partitioned such that different wavelengths can be emitted simultaneously from each partitioned region. The material of the partitioning layers is selected to be transparent to the pump wavelength, an electronic barrier to carrier diffusion, and epitaxially compatible with subsequent layers of the laser structure.

    摘要翻译: 具有有源区域的光泵浦半导体激光器被分隔,使得可以从每个分割区域同时发射不同的波长。 选择分隔层的材料对泵浦波长是透明的,载流子扩散的电子势垒,并且与激光结构的后续层外延地相容。

    Mid-infrared optically pumped unstable resonator laser
    4.
    发明授权
    Mid-infrared optically pumped unstable resonator laser 失效
    中红外光泵浦不稳定谐振器激光器

    公开(公告)号:US07469002B1

    公开(公告)日:2008-12-23

    申请号:US11467602

    申请日:2006-08-28

    IPC分类号: H01S3/08

    摘要: A high-powered mid-IR antimonide-based unstable resonator semiconductor laser that is optically pumped. One Fabry-Perot facet is a mechanically polished cylindrical mirror that extends well into the GaSb substrate. The waveguide is designed to weakly confine the transverse optical mode, and the optical pump stripe width can be varied to optimize the cavity width for high brightness operation.

    摘要翻译: 被光泵浦的高功率中红外锑化锑基不稳定谐振器半导体激光器。 一个法布里 - 珀罗面是一种机械抛光的圆柱形镜,其很好地延伸到GaSb衬底中。 波导被设计为弱限制横向光学模式,并且可以改变光泵条宽度以优化用于高亮度操作的腔宽度。