photodetector n.【物理學】光電探測器。
n. 【物理學】光電探測器。 “avalanche photodetector“ 中文翻譯： 雪崩光電檢波器; 雪崩光電檢測器; 雪崩光電探測器“cooled photodetector“ 中文翻譯： 冷卻式光電探測器“electromagnetic photodetector“ 中文翻譯： 電磁光檢測器“end-on photodetector“ 中文翻譯： 端置式光電探測器“infrared photodetector“ 中文翻譯： 紅外光電探測器“multielement photodetector“ 中文翻譯： 多元件光電探測器“multistage photodetector“ 中文翻譯： 多級光電探測器“optical photodetector“ 中文翻譯： 光檢測器“photoconductive photodetector“ 中文翻譯： 光電導檢測器“photodetector array“ 中文翻譯： 光電控測器陣列; 光電探測器陣列“photodetector pickoff“ 中文翻譯： 光探測器“photodetector responsivity“ 中文翻譯： 光電檢波器響應度“photoelectromagnetic photodetector“ 中文翻譯： 光電磁光電檢測器“photoemissive photodetector“ 中文翻譯： 光電發射光電檢波器“photovoltaic photodetector“ 中文翻譯： 光伏式光檢測器; 光生伏打光電檢測器“reference photodetector“ 中文翻譯： 基準光電探測器“side-on photodetector“ 中文翻譯： 側置式光電探測器“silicon photodetector“ 中文翻譯： 硅光電探測器“uncooled photodetector“ 中文翻譯： 非冷卻光電探測器“apd avalanche photodetector“ 中文翻譯： 雪崩光電探測器“background limited photodetector“ 中文翻譯： 背景限制光電檢測器“coordinate sensitive photodetector“ 中文翻譯： 坐標敏感光電檢測器“ectrally selective photodetector“ 中文翻譯： 光譜選擇性光電探測器“fiber optic photodetector“ 中文翻譯： 光纖光電檢測器“photodetection“ 中文翻譯： 光電檢測; 光電探測; 攝影檢測; 照相檢測法“photodetector head assembly“ 中文翻譯： 光電探測頭裝置
photodiode |
|
A new method of absolute calibration of photodetector sensitivity based on spontaneous parametric down - conversion ( spdc ) biphoton field is described . the process of spdc is studied theoretically . the single photon detection probability and two - photon coincidence probability are derived and the calibration principle for photodetectors is explained . an experimental system has been set up . the sensitivity of a photon - counting photomultiplier tube was measured , and the results were compared with those obtained using conventional method 討論了一種基于自發參量下轉換雙光子場絕對校準光電探測器靈敏度的新方法，著重推導了對自發參量下轉換過程中產生的單光子的探測概率和雙光子的符合速率，從而闡明了絕對測量光電探測器量子效率的原理.基于這一方法對光子計數型光電倍增管的響應靈敏度進行了測量，并將實驗結果與常規方法測得的結果進行了比較 |
|
In this system , we employed a newly developed holographic filed concave grating as splitting beams element , as well as multi - channel photodetector - ccd ( charge coupled devices ) as spectrum detection . these all solidified the foundation of measurement ; microcomputer control make the system automatic 采用新型的全息平場凹面光柵作為分光元件，并引入多通道光電探測器件ccd進行光譜信號探測，為光譜反射率的測量準備了物質條件；采用微型計算機控制，達到自動化測量。 |
|
This thesis describes a all fiber optic accelerometer based on t - g double beam interferometer , the whole system include a coherent source whose wavelength is 1310nm , a flexural optic fiber disk act as sensing unit , photodetector , piezoelectric ceramic act as a phase modulator and signal processing circuit . the all fiber optic accelerometer described in the paper has many desirable engineering features which include : broad frequency response ; high sensitivity to measurands ; antielectromagnetic interference and small size 本課題研究的是一種基于泰曼-格林( t - g )雙光束干涉儀原理的光纖加速度計，系統主要包括：中心波長為1 . 31 m的ld相干光源、起傳感作用的光纖柔性盤、光探測器( pin ) 、相位調制用的壓電陶瓷以及信號處理系統。 |
|
In this system , we employed a newly developed multi - channel photodetector - ccd ( charge coupled devices ) , as well as a concave holographic diffractive grating , to form multi - channel splitting system of spectrum - polychromator . these all solidified the foundation of the fast measurement subsequently 在本系統研究中，采用新型的多通道光電探測器件? ?電荷耦合器件( ccd ) ，并引入平場凹面光柵構成了多通道光譜分光系統? ?多色儀，從而為多通道快速光譜測量準備了物質條件。 |
|
The sizing method based on fraunhofer diffraction is limited . because of the limitation of size parameter a ? 1 and size of photodetector , it ca n ' t measure the particles less than 5 microns accurately . to extending lower limit of measurement , inverse - fourier - transform technique is discussed 利用夫朗和費衍射理論時對粒子的界定要求尺寸參數a 1 ，又加上光電探測元件的尺寸受到限制，故不能準確地測量5微米以下的顆粒，為此必需擴大測量下限。 |
|
That ’ s why the quality of the photodetector can ’ t be insured . according to the existing theory , the dark i - v characteristics and the i - v characteristics under illumination are simulated using matlab software and medici simulator 在現有理論基礎上,利用matlab和medici軟件,對gan基msm紫外探測器進行了仿真,獲得了該器件的暗電流與穩態光照下電流的i - v關系曲線。 |
|
1 ' he lneta1 - - semi conductor - - metal ( msm ) structure is an at tract i ve carld idate f ( ) r ; i uv photodetector because of its p1ane structure , fabri cat ion simp1 i ci ty , the easifless of integrat ion 紫外光電探測器可用于科研、軍事、太空、環保利其它許多工業領域中。而金屬-半導體-金屬( msm )結構的器件因其平面型，工藝簡單，便于集成等優點倍受人們的青睞。 |
|
In order to solve this problem , this paper introduces a reading lamp which can change the lighteness automatically . it has a photodetector which will be put near the book to help adjusting the brightness data 即可減少手動調光的麻煩，又可以保護視力，同時，它具有穩光功能，當電源電壓波動時，臺燈亮度保持不變。 |
|
Its main purpose is to know different kinds of detecting method . generally , euv and soft x - ray photodetector included five types : ionization gas , semiconductor , electron multiplier and film 總的說來極紫外和軟x射線光電探測器的類型有氣體電離型、半導體型、電子倍增器以及極紫外和軟x射線膠片(干板) 。 |
|
If the objective lens is further away from the compact disk than the focal length of the object lens , then the cylindrical lens again creates an elliptical image on the photodetector array 如果物鏡與光盤之間的距離長于物鏡的焦距，柱面透鏡也會使在光電探測器陣列上的成像變成橢圓影像。 |
|
Two methods of coupling photodetector to waveguide are analyzed , and the principle of integration of silicon - based optical waveguide and silicon germanium photodetector is outlined 分析了硅基光波導與鍺硅光探測器集成用兩種不同的耦合方式，闡明了波導與探測器集成的機理及設計理論基礎。 |
|
If the objective lens is closer to the compact disk than the focal length of the object lens , then the cylindrical lens creates an elliptical image on the photodetector array 如果物鏡與光盤之間的距離短于物鏡的焦距，柱面透鏡就會使在光電探測器陣列上的成像變成橢圓影像。 |
|
Abstract : by theoretical analysis and experiment , it has been proved that injection photodetector is not a mos field effect structure 文摘:通過理論分析和實驗證明了注入光敏器件并不是一種mos場效應結構，對文獻[ 9 ]中得出的不同的結論和所討論的問題闡述了自已的見解。 |
|
If you want to adjust the brightness as you always do to the ordinary lamps , just change the distance between the photodetector and the bulb . it is easy and funny 如果要象普通調光臺燈一樣調光，只要改變探頭和燈泡的距離即可，使用起來十分簡單，有趣。 |
|
A light emitting diode is used as optical source , which has single wavelength . pin photodiode is used as the photodetector 光源選用了具有分立波長的半導體發光二極管,接收部分選用了pin光電二極管器件。 |
|
Technical requirements and test methods of the high speed photodetector - preamplifier used for the optical fiber communication 光通信用高速光探測器? ?前置放大器組件技術要求及測試方法 |
|
So , gan - - based msm uv photodetector has been one of the focuses of iflterest in recent years 因此，近年來，用gan材料制備的msm光電探測器是人們研究的熱門課題之一。 |
|
It shows high potential on light - emitting devices , photodetector , optoelectronic devices and sensor 結果表明,摻鋁樣品引入了新的缺陷,發光強度增強。 |
|
Originates from italian technology . 8 - beam infrared photodetector to ensure precision measurement 源自美國技術，八束紅外光感測頭，精確測量。 |