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    • 2. 发明授权
    • Transceiver for bidirectional signal transmission over a monomodal
optical fiber
    • 用于单向光纤的双向信号传输的收发器
    • US5181264A
    • 1993-01-19
    • US731147
    • 1991-06-21
    • Guido ChiarettiFrancesco Blandano
    • Guido ChiarettiFrancesco Blandano
    • G02B6/34G02B6/42
    • G02B6/2937G02B6/4246Y10T156/10
    • A circuit arrangement is provided for allowing the bidirectional exchange of received and transmitted signals over a single monomodal optical fiber. The light transmitter (usually a laser or a LED), the receiver of optical signals and an optical system suitable for directing the optical signal to be transmitted to the monomodal optical fiber ad for directing the optical signal from the monomodal optical fiber to the receiver collects the signals in one passage. The optical system uses an optical transceiver employing a light transmitter and a light receiver. This optical transceiver is formed in a unitary housing. The optical system includes first and second lenses which may be graded-index waveguide sections and a planar filter disposed therebetween, the planar filter typically being an interferential filter. The optical system is formed on a support which allows the light transmitter which is typically a laser to be disposed directly adjacent one of the lenses. The surface of the lens abutting the optical communication fiber and optical stub is angled with respect to perpendicular to the axis of the symmetry of the optical system to prevent reflected optical power from entering the light transmitter, particularly when it is a laser, hereby reducing noise and instability within the laser source.
    • 提供了一种电路装置,用于允许在单个单模光纤上双向交换接收和发送的信号。 光发射器(通常是激光器或LED),光信号的接收器和适于引导要传输到单峰光纤ad的光信号的光学系统,用于将来自单模光纤的光信号引导到接收器收集 信号在一个通道。 光学系统使用采用光发射器和光接收器的光收发器。 该光收发器形成在一体的外壳中。 光学系统包括第一和第二透镜,其可以是渐变折射率波导部分和设置在其间的平面滤光器,平面滤光器通常是干涉滤光器。 光学系统形成在允许通常是激光的光发射器直接邻近透镜之一设置的支撑件上。 邻接光通信光纤和光短柱的透镜表面相对于光学系统的对称轴线垂直成角度,以防止反射的光功率进入光发射器,特别是当它是激光器时,从而降低噪声 和激光源内的不稳定性。
    • 4. 发明申请
    • Optical communication module
    • 光通信模块
    • US20060072882A1
    • 2006-04-06
    • US11235770
    • 2005-09-27
    • Paolo CasatiGuido Chiaretti
    • Paolo CasatiGuido Chiaretti
    • G02B6/36
    • G02B6/4277G02B6/4204G02B6/4214G02B6/4246
    • The optical communication module can be coupled to at least one optical fiber and includes at least one optoelectronic device, a base portion, and a cover portion which can be connected to the base portion to define an internal chamber to house the optoelectronic device. The cover portion includes at least one window to couple at least one optical signal between the at least one device and the optical fiber. The module further includes a plate, substantially transparent to the optical signal, having a first side facing the cover portion and a second side facing the internal chamber, the first plate substantially enabling sealing of the window. A shielding plate can be connected to the second side and provided with at least one opening substantially aligned with the window to enable passage of the optical signal.
    • 光通信模块可以耦合到至少一个光纤并且包括至少一个光电子器件,基底部分和盖部分,其可以连接到基部以限定用于容纳光电子器件的内部腔室。 盖部分包括至少一个窗口,用于在至少一个设备和光纤之间耦合至少一个光信号。 模块还包括对光信号基本透明的板,具有面向盖部的第一面和面对内室的第二侧,第一板基本上能够密封窗。 屏蔽板可以连接到第二侧并且设置有至少一个与窗口大致对准的开口,以使得光信号能够通过。
    • 5. 发明授权
    • Optical device, in particular optical switching device with improved stability of the bubbles and reduced insertion losses
    • 光学装置,特别是具有改善的气泡稳定性和降低的插入损耗的光学开关装置
    • US06804424B2
    • 2004-10-12
    • US10170020
    • 2002-06-12
    • Guido Chiaretti
    • Guido Chiaretti
    • G02B612
    • G02B6/3582G02B6/3538G02B6/3546G02B6/3576G02B6/3596G02B26/004
    • An optical device is formed by a first chip and a second chip bonded together. The first chip (4 has an optical layer of glass housing an optical circuit; the second chip has a body of semiconductor material housing integrated electronic components and coated with a bonding layer of glass fixed directly and contiguous to the optical layer of the first chip. The bonding layer delimits cavities facing corresponding cavities in the first chip in positions corresponding to the intersection points of waveguides constituting the optical circuit. The cavities are filled with a liquid having the same refractive index as the waveguides. Underneath each cavity, in the body of semiconductor material there is present a resistor, which, when traversed by current, causes formation of a bubble inside the chamber and deflection of the light beam traversing a waveguide towards a different waveguide.
    • 光学器件由第一芯片和第二芯片结合在一起形成。 第一芯片(4具有容纳光电路的玻璃的光学层;第二芯片具有容纳集成电子部件的半导体材料体,并且涂覆有直接固定并连续于第一芯片的光学层的玻璃结合层。 接合层在与第一芯片中相对应的腔相对应的空腔中限定了与构成光电路的波导的交点相对应的空腔,空腔中填充有与波导相同的折射率的液体,在每个腔体的下方, 半导体材料存在电阻器,当电流穿过时,电阻器在腔室内形成气泡,并且将光束穿过波导朝向不同波导的偏转。
    • 10. 发明申请
    • Optical delay device and transmission system including such a delay device
    • 光延迟器和传输系统包括这样的延迟器
    • US20050286830A1
    • 2005-12-29
    • US11151694
    • 2005-06-13
    • Antonello CutoloGuido ChiarettiAntonio Fincato
    • Antonello CutoloGuido ChiarettiAntonio Fincato
    • G02B6/26G02B6/28G02B6/35
    • G02B6/26G02B6/2861G02B6/3538G02B6/3544G02B6/3596
    • A delay device is provided that includes at least one first optical guide for receiving an optical signal, and at least one optical means for outputting a delayed optical signal. A plurality of total signal reflection means are placed along the first optical guide, and a plurality of second optical guides are placed between the reflection means of the plurality of reflection means and the at least one optical means. An activation means activates at least one of the reflection means, and selection means select which of the reflection means of the plurality of reflection means is to be activated to obtain a desired delay on the optical path of the optical signal. The reflection means are placed in succession along the first optical guide. Also provided is a transmission system that includes at least one laser source, an emission source, and at least one such optical delay device.
    • 提供一种延迟装置,其包括用于接收光信号的至少一个第一光导件和用于输出延迟光信号的至少一个光学装置。 多个总信号反射装置沿着第一光导放置,并且多个第二光导被放置在多个反射装置的反射装置和至少一个光学装置之间。 激活装置激活反射装置中的至少一个,并且选择装置选择要激活多个反射装置的反射装置中的哪一个以在光信号的光路上获得期望的延迟。 反射装置沿着第一光导依次放置。 还提供了一种传输系统,其包括至少一个激光源,发射源和至少一个这样的光学延迟装置。