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    • 34. 发明授权
    • Multiple laser having a distributed resonator
    • 具有分布式谐振器的多个激光器
    • US4309667A
    • 1982-01-05
    • US11926
    • 1979-02-13
    • Marie A. Di ForteMichel PapuchonClaude Puech
    • Marie A. Di ForteMichel PapuchonClaude Puech
    • H01S5/12H01S5/40H01S3/19
    • H01S5/12H01S5/1206H01S5/1215H01S5/4025H01S5/4056H01S5/4087
    • A semiconductor laser particularly useful for frequency multiplexing in optical telecommunications having a distributed resonator supplying from a single etched grating, two or more radiations of different wavelengths. The laser comprises a junction formed by an n-type substrate, a p-type radiation-confinement region, and a surface region, a grating being etched at the interface between the confinement region and the surface region. Useful elementary bands of the junction for the attainment of the laser effect are fixed by proton implantation in the surface region of the junction. The elementary band-type regions are convergent and form, with the perpendicular to the grooves of the grating, angles that are determined so that the spacing along the various bands has a specified value linked directly to the wavelength of the corresponding emitted radiation.
    • 一种特别适用于光通信中的频率复用的半导体激光器,其具有从单个蚀刻光栅提供的分布式谐振器,两个或更多个不同波长的辐射。 激光器包括由n型衬底,p型辐射限制区域和表面区域形成的结,光栅在限制区域和表面区域之间的界面处被蚀刻。 用于获得激光效应的连接点的有用元件带通过质子注入固定在结的表面区域中。 基本带状区域会聚并形成与光栅的凹槽垂直的角度,其角度被确定为使得沿着各个波段的间隔具有直接与对应的发射辐射的波长相关的特定值。
    • 35. 发明授权
    • Process for manufacturing an integrated optical structure and an
_opto-electronic device using said structure
    • 用于制造集成光学结构的方法和使用所述结构的_细胞 - 电子器件
    • US4203649A
    • 1980-05-20
    • US930410
    • 1978-08-02
    • Gonzalo VelascoMichel Papuchon
    • Gonzalo VelascoMichel Papuchon
    • G02B6/13G02F1/03G02F1/035G02F1/05G02B5/14
    • G02F1/035
    • A process designed for manufacturing an opto-electronic device comprising at least one light-guide integrated in a substrate with a control electrode constituted by a metallic band covering the light-guide and deposited onto the substrate, and an earth-plane integrated in the bottom of the substrate. The process comprises a preliminary step wherein the light-guide is created by doping the substrate for example in a channel adjacent to the upper side of the substrate. In the first step the material of the substrate (e.g. monocrystalline lithium niobate) is chemically reduced by hydrogen for rendering the whole substrate electrically conductive (and consequently opaque). After a second step of partial protective masking, a third step takes place wherein the upper part of the substrate is re-oxidized for restoring a transparent layer comprising the light-guide - the latter characterized by a higher refractive index - and an insulating medium in the upper part of the substrate. In a last step a metallic band is deposited onto the light guide forming with the conductive bottom substrate two electrodes of the opto-electronic device.
    • 一种设计用于制造光电器件的工艺,其包括集成在衬底中的至少一个光导体,其具有由覆盖所述导光体并沉积到所述衬底上的金属带构成的控制电极以及集成在所述衬底中的地平面 的基底。 该方法包括初步步骤,其中通过将衬底掺杂在例如与衬底的上侧相邻的通道中来产生光导。 在第一步中,衬底(例如单晶铌酸锂)的材料通过氢化学还原,以使整个衬底导电(因此不透明)。 在部分保护掩模的第二步骤之后,进行第三步骤,其中衬底的上部被再次氧化以恢复包括导光体的透明层 - 后者的特征在于较高的折射率,以及绝缘介质 衬底的上部。 在最后一步中,金属带沉积在导光底层基板上形成的导光体上,光电器件的两个电极。
    • 37. 发明授权
    • Device for harmonizing a laser emission path with a passive observation path
    • 用于使激光发射路径与被动观察路径协调的装置
    • US06307623B1
    • 2001-10-23
    • US09413643
    • 1999-10-06
    • Michel PapuchonDenis RabaultMartin DefourJean-Paul Pocholle
    • Michel PapuchonDenis RabaultMartin DefourJean-Paul Pocholle
    • G01B1126
    • F41G3/326
    • A device for harmonizing a laser beam path with an observation path for a target includes a laser that generates a laser beam; a first optical element that directs a first part of the laser beam toward the target along the laser beam path while directing a second part of the laser beam toward a conversion device; and a second optical element that directs a converted beam from the conversion device to a sensor that receives the converted beam and an image from the target. The conversion device includes a photoluminescent material that converts the second part of the laser beam into a converted radiation having a wavelength within a spectral band of the sensor, and an optical assembly that focuses the second part of the laser beam into the photoluminescent material and that collects at least a portion of the converted radiation to form the converted beam. The photoluminescent material can include photoluminescent ions such as erbium ions, or a semiconductor material such as indium arsenide. The photoluminescent material can include two materials, wherein the first material has a photoluminescence lifetime greater than a pulse duration of the pulsed laser beam, and the second material has an emission spectrum of photoluminescence covering at least a portion of a sensitivity spectral band of the sensor. The conversion device can also include a non-linear material that frequency converts the second part of the laser beam into an intermediary radiation having a wavelength shorter than the laser beam, and where the photoluminescent material converts the intermediary radiation into the converted radiation.
    • 用于使激光束路径与用于目标的观察路径协调的装置包括产生激光束的激光器; 第一光学元件,其将所述激光束的第一部分沿着所述激光束路径引向所述目标,同时将所述激光束的第二部分引向转换装置; 以及第二光学元件,其将转换的光束从转换装置引导到接收转换的光束的传感器和来自目标的图像。 转换装置包括光致发光材料,其将激光束的第二部分转换成具有在传感器的光谱带内的波长的转换辐射,以及光学组件,其将第二部分激光束聚焦到光致发光材料中,并且 收集转换的辐射的至少一部分以形成转换的光束。 光致发光材料可以包括诸如铒离子的光致发光离子,或诸如砷化铟的半导体材料。 光致发光材料可以包括两种材料,其中第一材料具有大于脉冲激光束的脉冲持续时间的光致发光寿命,并且第二材料具有覆盖传感器的灵敏度谱带的至少一部分的光致发光的发射光谱 。 转换装置还可以包括将激光束的第二部分频率转换成具有比激光束短的波长的中间辐射的非线性材料,并且其中光致发光材料将中间辐射转换成转换的辐射。