METHOD AND DEVICE FOR STABILIZATION OF OPTICAL POWER AND SPECTRAL LINE OF RADIATION BY MODE LOCKED ULTRA-SHORT PULSE FIBER LASER
    1.
    发明申请
    METHOD AND DEVICE FOR STABILIZATION OF OPTICAL POWER AND SPECTRAL LINE OF RADIATION BY MODE LOCKED ULTRA-SHORT PULSE FIBER LASER 审中-公开
    用于通过模式锁定超短脉冲光纤激光器稳定光功率和光谱线的方法和装置

    公开(公告)号:WO2017004376A1

    公开(公告)日:2017-01-05

    申请号:PCT/US2016/040401

    申请日:2016-06-30

    Abstract: The disclosed method and apparatus for stabilizing a mode-locked regime of a fiber ring oscillator based on a NPR include tapping a portion of light, which has a broad spectral bandwidth, from a fiber ring resonator into at least first and second control channels. The control channels are configured to guide respective first and second fractions of the tapped portion. One of the control channels is provided with a bandpass filter operative to extract a region from the broad spectral bandwidth. The fractions with respective full spectral bandwidth and region thereof are then evaluated in a central processing unit which is operable to generate a control signal if a predetermined criterion is not met. The control signal is received by one or more polarization controller units operative to dynamically modulate a state of polarization of light in the fiber ring resonator until the evaluation meets the predetermined criterion.

    Abstract translation: 用于稳定基于NPR的光纤环形振荡器的锁模方式的所公开的方法和装置包括从光纤环形谐振器将具有宽光谱带宽的光的一部分轻敲到至少第一和第二控制信道中。 控制通道被配置为引导分接部分的相应的第一和第二分数。 其中一个控制通道设置有带通滤波器,用于从宽谱带宽中提取区域。 然后在中央处理单元中评估具有相应的全光谱带宽及其区域的分数,该中央处理单元可操作以在不满足预定标准的情况下产生控制信号。 控制信号由一个或多个偏振控制器单元接收,该单元可操作以动态调制光纤环谐振器中的光的偏振状态,直到评估满足预定标准。

    ВОЛОКОННЫЙ ЛАЗЕР СО СВЕРХКОРОТКОЙ ДЛИТЕЛЬНОСТЬЮ ИМПУЛЬСА
    2.
    发明申请
    ВОЛОКОННЫЙ ЛАЗЕР СО СВЕРХКОРОТКОЙ ДЛИТЕЛЬНОСТЬЮ ИМПУЛЬСА 审中-公开
    具有超声波脉冲长度的光纤激光器

    公开(公告)号:WO2014148941A1

    公开(公告)日:2014-09-25

    申请号:PCT/RU2013/000480

    申请日:2013-06-10

    CPC classification number: H01S3/06791 H01S3/1109 H01S3/1121 H01S3/117

    Abstract: Устройство относится к области квантовой электроники. Полностью волоконный лазер со сверхкороткой длительностью импульса содержит лазер накачки, модуль ввода излучения лазера накачки в волокно, легированное редкоземельным элементом волокно, разветвитель, контроллеры поляризации, волоконные поляризаторы с взаимно перпендикулярными направлениями поляризации, акустооптический модулятор, установленный непосредственно на оптическое волокно между волоконными поляризаторами, частота акустооптического модулятора равна собственной частоте кольцевого волоконного резонатора. Техническим результатом изобретения является создание полностью волоконного лазера со сверхкороткой длительностью импульса.

    Abstract translation: 该器件涉及量子电子学领域。 具有超短脉冲长度的完全光纤激光器包括泵浦激光器,用于将来自泵浦激光器的辐射输入光纤的模块,掺杂有稀土元素的光纤,分离器,偏振控制器,具有相互垂直方向的光纤偏振器 偏振和声光调制器,其直接安装在光纤偏振器之间的光纤上,其中声光调制器的频率等于环形光纤谐振器的固有频率。 本发明的技术结果在于提供具有超短脉冲长度的完全光纤激光器。

    SELF INJECTION LOCKED PHASE LOCKED LOOPED OPTOELECTRONIC OSCILLATOR
    4.
    发明申请
    SELF INJECTION LOCKED PHASE LOCKED LOOPED OPTOELECTRONIC OSCILLATOR 审中-公开
    自锁式锁相环路光电振荡器

    公开(公告)号:WO2014105707A1

    公开(公告)日:2014-07-03

    申请号:PCT/US2013/076975

    申请日:2013-12-20

    Abstract: Aspects of the disclosure relate generally to a circuit (100) for sustaining an radio frequency (RF) modulated optical signal. The circuit may comprise a self injection locking component (107) having a fiber optic delay line (130) over which a portion of the optical signal propagates. The circuit may also comprise a self phase locked loop component (109) having at least two fiber optic cables (120, 140) having different lengths and over which another portion of the optical signal propagates and a phase detector (150) coupled to the at least two fiber optic cables and configured to determine a phase difference between the signals propagating over one of the respective fiber optic cables. The circuit may further comprise a voltage controlled oscillator (110) configured to generate a stable oscillating signal in response to signals generated by each of the self injection locking and self phase locked loop components, the stable oscillating signal being configured to sustain the optical signal.

    Abstract translation: 本公开的方面通常涉及用于维持射频(RF)调制光信号的电路(100)。 电路可以包括具有光纤延迟线(130)的自发射锁定部件(107),光信号的一部分在该光纤延迟线上传播。 该电路还可以包括具有至少两根具有不同长度的光纤电缆(120,140)和光信号的另一部分传播的自锁相环元件(109),以及耦合到该信号的相位检测器(150) 至少两个光纤电缆并且被配置为确定在相应光纤电缆之一上传播的信号之间的相位差。 电路还可以包括压控振荡器(110),其被配置为响应于由每个自注入锁定和自锁定环路分量产生的信号而产生稳定的振荡信号,稳定振荡信号被配置为维持光信号。

    LASER APPARATUS USING CAVITY DUMPING AND ACTIVE MODE LOCKING
    5.
    发明申请
    LASER APPARATUS USING CAVITY DUMPING AND ACTIVE MODE LOCKING 审中-公开
    激光设备使用CAVITY DUMPING和主动模式锁定

    公开(公告)号:WO2014027227A1

    公开(公告)日:2014-02-20

    申请号:PCT/IB2012/055816

    申请日:2012-10-23

    Inventor: JONUSKA, Jonas

    Abstract: This invention provides a solution for operating a mode-locking and cavity dumping laser apparatus using single electro-optical switch or modulator (2), such as a Pockels cell, without the need of multiplexing between two sources of voltage. The complex waveform of electrical signal, which controls the Pockels Cell (2) is achieved by employing the phenomena, called LC circuit ringing, where LC circuit is formed from an inductive element and a capacitor, where the Pockels Cell works as a capacitor itself. The ringing frequency should be calculated such that the period of oscillations is preferably two times longer than the round-trip time of a light pulse inside the optical cavity. As a result, optical losses are created inside the cavity with a period, which coincides with the travel of a light pulse, thus the pulse build-up is consistent and stable.

    Abstract translation: 本发明提供一种用于使用单电光开关或调制器(2)(例如普克尔斯单元)来操作模式锁定和空腔倾倒激光装置的解决方案,而不需要在两个电压源之间进行多路复用。 通过使用称为LC电路振荡的现象,其中LC电路由电感元件和电容器形成,其中Pockels Cell用作电容器本身,实现了控制Pockels Cell(2)的电信号的复杂波形。 应该计算振铃频率使得振荡周期优选比光腔内的光脉冲的往返时间长两倍。 结果,在空腔内产生光学损耗,其周期与光脉冲的行程一致,因此脉冲积聚是一致和稳定的。

    モード同期ファイバーレーザーおよびモード同期ファイバーレーザーを用いたパルスレーザー光の発振方法
    8.
    发明申请
    モード同期ファイバーレーザーおよびモード同期ファイバーレーザーを用いたパルスレーザー光の発振方法 审中-公开
    使用模式锁定光纤激光器的脉冲激光器的锁模光纤激光器和振荡方法

    公开(公告)号:WO2010029663A1

    公开(公告)日:2010-03-18

    申请号:PCT/JP2009/002417

    申请日:2009-06-01

    Abstract:  従来の技術と比較すると、装置構成をあまり複雑化することなく、パルス発振されるレーザー光の繰り返し周波数をより広い範囲で変更することを可能にし、利得ファイバーの一方の端部側にモード同期手段を配置し、かつ、上記利得ファイバーの他方の端部側にそれぞれが異なる波長の光を高反射率で反射する複数の帰還素子を配置して、上記モード同期手段と上記帰還素子とにより共振器を構成し、上記共振器内に上記利得ファイバーにより発振するレーザー光の波長を選択する波長選択手段を有する。

    Abstract translation: 与传统技术相比,锁模光纤激光器的器件结构不是太复杂,脉冲激光的重复频率可以在更宽的范围内变化。 在增益光纤的一端配置有模式锁定装置,并且在增益光纤的另一端设置多个反射具有高反射率的不同波长光的反馈元件。 模式锁定装置和反馈元件构成谐振器,并且谐振器具有用于选择由增益光纤泵浦的激光的波长的波长选择装置。

    PICOSECOND LASER APPARATUS AND METHODS FOR ITS OPERATION AND USE
    10.
    发明申请
    PICOSECOND LASER APPARATUS AND METHODS FOR ITS OPERATION AND USE 审中-公开
    PICOSECOND激光设备及其操作和使用方法

    公开(公告)号:WO2008016714A3

    公开(公告)日:2008-11-06

    申请号:PCT/US2007017536

    申请日:2007-08-02

    Abstract: Apparatuses and methods are disclosed for applying laser energy having desired pulse characteristics, including a sufficiently short duration and/or a sufficiently high energy for the photomechanical treatment of skin pigmentations and pigmented lesions, both naturally- occurring (e g, birthmarks), as well as artificial (e g, tattoos). The laser energy may be generated with an apparatus havin resonator (fig 2) with the capability of switching between a modelocked pulse operating mode and an amplification operating mode. The operating modes are carried out through the application of a time-dependent bias voltage, having waveforms as described herein an electro-optical device (e g, a Pockels cell) positioned along the optical axis of the resonator.

    Abstract translation: 公开了用于施加具有所需脉冲特性的激光能量的装置和方法,包括具有足够短的持续时间和/或足够高的能量用于光自由发生(例如胎记)的皮肤色素沉着和着色损伤的光机械处理,以及 人造(如纹身)。 激光能量可以通过具有在锁模脉冲操作模式和放大操作模式之间切换的能力的装置产生谐振器(图2)。 操作模式是通过应用时间依赖偏置电压进行的,具有如本文所述的沿着谐振器的光轴定位的电光器件(例如,普克尔斯单元)的波形。

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