隔光器 的英文怎麼說
中文拼音 [géguāngqì]
隔光器
英文
diaphragm-
Dual - frequency laser interferometer with high measurement speed and its performance testing
具有隔離器功能的激光干涉儀的研究Fibre optic isolators - part 1 : generic specification
纖維光學隔離器第1部分:總規范Optical isolators for non - communication
光隔離器非通信用Optical isolators for communication
光隔離器通信用In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results
本工作以矢量場模型出發，對具有誘人應用前景的柱形垂直腔面發射結構（ vcsel ）的微腔半導體激光器（ mcsl ）進行了理論分析，建立了用於分析方柱形和圓柱形結構具有氧化孔徑層的激光器的模式特性的理論模型；對圓柱形結構情況進行了數值模擬，得到了振蕩波長、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、位置和氧化物折射率的詳細變化規律；為使理論計算更接近實際，將外加金屬包殼視為非理想導體，或將金屬包殼與激光器結構隔開，分別對這兩種情況下的結果進行了討論。A switchable and spacing - tunable dual - wavelength linear cavity edfl is demonstrated experimentally using this kind of bragg grating for wavelength selection. it exploits the birefringence characteristic of the fbg induced by transverse strain. transverse strain loading on the fbg allows the wavelength spacing to be controlled while axial strain shifts both wavelengths together
2 .對軸向及側向應力共同作用下的光纖布拉格光柵的透射及反射光譜特性進行了理論及實驗研究，並首次把軸向及側向應力共同作用下的光纖光柵應用於光纖激光器進行波長選擇，得到了室溫下穩定工作的波長及波長間隔可調的可開關雙波長的摻鉺光纖激光器。Secondly, we propose and demonstrate experimentally a novel multi - wavelength erbium - doped fiber ring laser by using a mach - zehnder fiber interferometer and composite cavity. as a result, simultaneous multi - wavelength oscillations with narrow linewidth and equal wavelength span are obtained in room temperature. this device has advantageous of simple design fabrication and low cost et al
進一步，我們設計了一種新穎的多波長摻鉺光纖環形激光器，這種激光器是利用mach - zenhder （ m - z ）光纖型干涉儀作為梳狀濾波器，並且與復合腔共同選頻，獲得了窄線寬、等間隔的多波長同時輸出，這種激光器具有在常溫工作，結構簡單，成本低等優點。The prerequisite of actively mode - locked fiber laser stable work is that the modulation signal frequency must be the integral multiple to the cavity resonance frequency
主動鎖模光纖激光器穩定工作的前提條件之一是調制信號頻率應為腔內縱模間隔的整數倍。Test methods of optical isolators for light beam transmission
光束傳輸用光隔離器件的試驗方法General rules of optical isolators for fiber optic transmission
光纖傳輸用光隔離器件通用規則General rules of optical isolators for light beam transmission
光束傳輸用光隔離器件的通用規則Test methods of optical isolators for fiber optic transmission
光纖傳輸用光隔離器件的試驗方法Selective absorption of electromagnetic wave. adw employing gases which do n ' t absorb the laser energy can form a gas urtain " whose pressure of the two sides is equal to the low pressure of laser cavity and the ambient circumstance pressure respectively so it can isolate the higher pressure ambient air from entrancing into the laser cavity and maintain the hel ' s running normally
氣動窗口利用對激光器輸出波長沒有任何吸收作用的特殊氣體作為窗口工作介質，並根據氣體動力學部分相關原理，能生成一個具有與激光腔低壓和環境大氣高壓相匹配的壓力梯度、並把激光器低壓工作介質和外界大氣相隔離的「氣幕」 ，從而保證高能激光器的正常工作。Fibre optic interconnecting devices and passive components performance standard - part 061 - 3 : single mode fibre optic pigtailed style isolators for category u - uncontrolled environment
纖維光學互連器件和無源元件性能標準.第061 - 3部分: u類單模纖維光學有抽頭的隔離器.非受控環境Fibre optic interconnecting devices and passive components performance standard - part 061 - 3 : single - mode fibre optic pigtailed style isolators for category u - uncontrolled environment
纖維光學互連器件和無源元件性能標準.第061 - 3部分: u類單模纖維光學有抽頭的隔離器.非受控環境Intellingent high performance digital regulator wp220 series products with microprocessing function, is iso9001 authentication, collecting high performance, low price, easy and simple to handle, and so on, integrative practical regulator
單片機技術，光電隔離，內置蜂鳴器，整機抗干擾能力極強。半導體平面發光器件，亮度高色柔和功耗低，並聯驅動，工作壽命長，且燈屏更換方便。To ensure the precision of distance measuring, the high - speed laser driving circuit and the detect - amplifying circuit constituted by two class high - speed operational amplifiers are used in auto adaptive cruise - control system, and the laser flying time is measured by a sixteen bit ' s binary counter, whose counting frequency is 100 megahertz
為保障測距精度，裝置採用高速激光器驅動電路和由兩級高速運算放大器構成的探測放大電路，並用一個計數脈沖頻率為100mhz的16位二進制計數器完成激光收發間隔時間的測量。The main purposes and contributions of this thesis are following : 1. after choosing the pump laser, the optical isolator, the wavelength division multiplexing ( wdm ), the erbium - doped fiber and the edsfs structure, the original edsfs spectrum could be measured. 2
本文的主要工作包括以下幾部分: 1 .按照光源要求達到的主要技術指標，選擇泵浦激光器，光隔離器，光波分復用器，選擇摻鉺光纖類型及長度;選擇光源結構之後，組裝並測試得到原始光edsfs模塊增益譜線。Abstract : optocoupler is also called optoisolator, it is a semiconductor device which allows electric signal transfers between circuits or systems, meanwhile it can ensure the electric insulation between the circuits or systems each other
光耦合器也稱為光隔離器，它是允許電信號在電路或系統之間傳輸的半導體器件，同時確保這些電路或系統彼此之間電絕緣。When passed through the beam - splitter, a pulsed laser beam was split into 3 beams with an interpulse delay of 13 ns. these 3 separated laser pulses reach the m - z interferometer at different time and each laser pulse gave a snapshot of the implosion state. thus three different - time interferograms can be obtained in one shot of z - pinch
激光器發出的光束經過分光系統被分成時間間隔13ns的三束光，它們于不同的時刻先後到達m - z干涉儀，每一束激光脈沖可以記錄下等離子的一個狀態，從而可以得到三幅不同時刻的干涉圖。分享友人