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超高速相機
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超高速相機 4 Picos基于30年來世界一流領(lǐng)域里快速門控強化CCD (ICCD)相機的進步和發(fā)展，斯坦福計算機光學公司推出了4 Picos ICCD相機，重新設(shè)定了快速的皮秒時間分辨光譜和成像新標準。4 Picos ICCD相機采用了超卓越的CCD傳感器和門控圖像增強技術(shù)。它實現(xiàn)了對單光子的探測，是快速采集頻率和超高靈敏度的優(yōu)越組合。 獲取詳細資料 |
作為全球范圍內(nèi)CCD (ICCD)相機領(lǐng)域的領(lǐng)軍者，Stanford Computer Optics憑借30多年的經(jīng)驗，研發(fā)出了全新的超高速相機4 Picos ICCD相機。4 Picos的誕生為快速的皮秒時間分辨光譜成像定義了新標準！
4 Picos ICCD相機采用了超卓越的CCD傳感器和門控圖像增強技術(shù)。它實現(xiàn)了對單光子的探測，是快速采集頻率和超高靈敏度的優(yōu)越組合。通過超高量子效率(QE)的圖像增強器，以及高達3.3 MHz的光電陰極選通率(burst)，可以獲得極高的檢測性能。極低的抖動、極低的插入式電子門控延遲以及皮秒級別的光學門控精度，帶來了低至10皮秒無與倫比的時間精度！同時，4 Picos ICCD相機系列還支持各種主流的觸發(fā)選項和輸入/輸出接口，實現(xiàn)了復雜實驗的超精確同步。
主要特點
●快門時間低至200皮秒
●可提供單光子檢測的超高靈敏度
●高精度的時序控制，步長為10ps
●高分辨率圖像增強器，光學系統(tǒng)分辨率> 60lp / mm
●從紫外到近紅外的光譜靈敏度
●遠程接口實時畫面控制
●高動態(tài)范圍，14bit分辨率
●可調(diào)MCP電壓，50db動態(tài)范圍信號放大
基于4 Picos應(yīng)用的相關(guān)文獻（獲得更多）
| Author | Institution | Title |
| M. Aydemir et al. | University of Durham | The key role of geminate electron-hole pair recombination on delayed fluorescence in Rhodamine 6G and ATTO-532 |
| A. Bergner et al. | Ruhr University Bochum | IInvestigating the outer-bulb discharge as ignition aid for automotive-HID lamps |
| V. Jankus et al. | University of Durham | Highly Efficient TADF OLEDs: How the Emitter–Host Interaction Controls Both the Excited State Species and Electrical Properties of the Devices to Achieve Near 100% Triplet Harvesting and High Efficiency |
| K.-D. Weltmann | INP Greifswald | ADVANCED ELECTRICAL AND OPTICAL DIAGNOSTICS ON ATMOSPHERIC PRESSURE PLASMAS WITH FOCUS ON MICRODISCHARGES |
| B. Bahnev et al. | The Open University | Time and spatial resolved optical and electrical characteristics of continuous and time modulated RF plasmas in contact with conductive and dielectric substrates |
| D. Müller et al. | Leibniz-Institute of Photonic Technology | 2D temperature measurements in particle loaded technical flames by filtered Rayleigh scattering (FRS) |
| D. Graves et al. | University of Durham | Photophysical Investigation of the Thermally Activated Delayed Emission from Films of m-MTDATA:PBD Exciplex |
| Y. Sun et al. | University of California | Endoscopic Fluorescence Lifetime Imaging for in vivo Intraoperative Diagnosis of Oral Carcinoma |
| B. Kumar et al. | Institute for Plasma Research, India | Dynamics of laser-blow-off induced Li plume in confined geometry |
Technical Details
Parameter | High Resolution (HR) | Standard Resolution (SR) |
| Internal exposure time | 200ps - 80s; min. steps 10ps | |
| External exposure time | 200ps ... DC | |
| Trigger propagation delay | internal gate pulse: 60-65ns external gate pulse: 30-35ns | |
| Jitter | < 0.01ns | |
| Optical shutter repetition rate | standard: 200kHz (continuous, max. 1 hour)*, 3.3MHz (burst mode) * Please note: longer times may damage the pulse amplifier | |
| Dynamic range A/D | 14bit, up to 21bit with 4 Spec E image and data acquisition software with all lines integrated (binned), dynamic expansion active | |
| Sensitivity of system | more than 1count/photoelectron pixel, up to 80s integration time on CCD | |
| Camera digital output | USB 2.0 | |
| CCD output | standard: 12bit optional: 14bit | standard: 12bit optional: 14bit |
| CCD resolution | 1360 x 1024 pixel | 782 x 582 pixel |
| CCD pixel size | 4.7 x 4.7μm | 8.3 x 8.3μm |
| Binning | 1x1 (full frame) Mode: *ROI : central 1/3rd | 1x1 (full frame) Mode: *ROI : central 1/3rd |
| Frame rate (1x1/2x2/ROI) depends on PC | 4.9 / 12.5 / 14.0fps in 12/14bit mode 8.0 / 15.4 / 17.5fps in 8bit mode | 12.5 / 20.0 / 23.0fps in 12/14bit mode 15.4 / 20.0 / 25.0fps in 8bit mode |
| Frame rate (1x1/2x2/ROI) | 10.6 / 17.4 / 20.4fps in burst mode | 29.4 / 54.1 / 66.9fps in burst mode |
| Gain | 1x1 and ROI Mode: 0..20db, 2x2 binning Mode: 0..25db | |
| Scan mode | field/frame, selectable through computer RS232 interface | |
| Optical interface | standard: C-mount, optional: F-mount | |
| Coupling lens | customized coupling lens between image intensifier -> CCD sensor for best image quality (MTF cut off @ 180 lp/mm) without any honeycomb structures, distortion or optical vignetting | |
| Image intensifier type | standard: single stage, optional: dual stage | |
| Image intensifier | 18mm diameter | |
| Input image area | ? 18mm: 14.4 x 10.8mm (field of view) | |
| Photocathode | standard: high UV QE optional (on request): high blue QE, high green QE, high red QE | |
| Spectral sensitivity | UV - NIR, depending on the photocathode (not all in one) | |
| Phosphor screen | standard: P43, optional: P46 on request (for 500ns fast double framing) | |
| Camera dimensions | 248 x 110 x 135 mm, (l x w x h), without objective lens | |
| Camera weight | 3kg, all in one head, without objective lens | |
| Camera mount | 1/4" x 20 and M8 mounting hole at the bottom of the camera | |
| Power Supply | 12V ±5% | |
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