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    • 3. 发明授权
    • Phase locked laser array
    • 锁相激光阵列
    • US4879721A
    • 1989-11-07
    • US274117
    • 1988-11-21
    • Michael T. BraskiCharles H. WissmanRichard A. TiltonPaul F. Robusto
    • Michael T. BraskiCharles H. WissmanRichard A. TiltonPaul F. Robusto
    • H01S3/03H01S3/07H01S3/0975H01S3/23
    • H01S3/073H01S3/0315H01S3/0975H01S3/2383
    • A laser array having effectively separate oscillation regions 70,72,74 that are locked in phase is formed with a ceramic body 60,64 having a single, unpartitioned and relatively wide cavity area 62. Effectively isolated separate side by side laser oscillation regions 70,72,74 within the cavity are provided by use of common reflector optics 66,68 on the respective ends of the common cavity, 62 with one of the end optic arrangements comprising a common substrate 100 provided with several separate areas 102,104,106 of high reflectivity, mutually spaced from one another by areas of relatively low reflectivity. Individual control of the several separate regions of laser energy oscillations is provided by employing a separate pair of exciting electrodes 76,78,82,84,88,90 for each such region and applying separate RF exciting signals to the separate pairs respectively. In a large array, whether using plural isolated regions of laser oscillations in a common cavity or plural bores 121,122,123,124,125 separated by intra-cavity partiitons 126,127,128,129, adjustment of exciting power 150,154 to the outer electrode pairs 134,135,142,143 provides frequency correction for distortion and phase de-locking due to transverse thermal gradients.
    • 具有锁定相位的具有有效分离的振荡区域70,72,74的激光器阵列由陶瓷体60,64形成,陶瓷体60,64具有单个未分开且相对较宽的腔区域62.有效隔离的并排激光振荡区域70, 通过使用公共空腔62的相应端部上的公共反射器光学器件66,68来提供空腔内的72,74,其中端部光学装置中的一个包括具有高反射率的多个单独区域102,104,106的公共基板100 由相对较低反射率的区域彼此间隔开。 通过为每个这样的区域采用单独的一对激励电极76,78,82,84,88,90并且分别向分离的对施加单独的RF激励信号来提供激光能量振荡的几个单独区域的单独控制。 在大阵列中,无论是在公共腔中使用激光振荡的多个隔离区域还是由腔室内部分126,127,128,129分隔的多个孔121,122,123,124,125,对外部电极对134,135,142,143的激发功率150,154的调节提供了用于失真和相位去锁定的频率校正 由于横向热梯度。
    • 8. 发明授权
    • High efficiency RF excited gas laser with transverse discharge excitation
    • 高效RF激发气体激光器具有横向放电激励
    • US4633478A
    • 1986-12-30
    • US745570
    • 1985-06-17
    • Paul F. Robusto
    • Paul F. Robusto
    • H01S3/03H01S3/038H01S3/0975H01S3/097
    • H01S3/038H01S3/0315H01S3/0975
    • A transverse discharge excitation laser is disclosed which includes a dielectric structure (11, 13, 111, 113, 211, 213) for defining an elongated laser excitation cavity (27, 127, 231) suitable for containing a laser gas and maintaining a laser exciting discharge in the laser gas, and further includes opposing conductive electrodes (33, 41, 129, 133, 237, 245) adjacent the laser cavity. The electrodes are sufficiently small to produce a laser exciting discharge within a predetermined region of the laser cavity and to provide optimum efficiency for the desired mode of operation. The electrodes are particularly adjacent opposing walls of the cavity which have a width W, and at least one of the electrodes has a width which is less than the wall width W.
    • 公开了一种横向放电激励激光器,其包括用于限定适于包含激光气体并保持激光激发的细长激光激发腔(27,127,231)的电介质结构(11,13,131,113,211,213) 在激光气体中放电,并且还包括与激光腔相邻的相对的导电电极(33,41,29,133,237,245)。 电极足够小以在激光腔的预定区域内产生激光激发放电,并为期望的操作模式提供最佳效率。 电极特别是相邻的具有宽度W的空腔的相对壁,并且至少一个电极具有小于壁宽W的宽度。