OCT用线阵高速扫描相机 OCTOPLUS 产品描述e2v 宣布推出e2v OCTOPLUS, 这是一个用于光学相干断层扫描(OCT)和通用光谱学的模块化线性CMOS相机平台。 在过去的十年中,e2v一直在为OCT和通用光谱分析应用交付先进的线性CCD相机。CCD技术具有一定的速度限制和灵活性限制,因此e2v开发了新的基于CMOS的OCTOPLUS相机模块,该模块可大幅提高扫描速度(在12位中达到130 kA-scan / s)。这代表着重大的飞跃,并改善了功能成像质量,从而有利于诸如血管造影等应用。 e2v’s OCTOPLUS相机模块以极具吸引力的价格并结合了高速,易于对准,高信噪比,易于USB3接口和可定制处理的特点。OCTOPLUS不仅是标准规格产品,用户可以自由选择速度,像素高度,满井容量,接口和传感器封装,提供60多种相机组合。这使光学工程师能够设计其特定的OCTOPLUS摄像机,使其非常适合其 光谱仪,每种选件在特定条件和设置下均具有特定优势。它还允许客户仅选择他们感兴趣的选项/功能来控制成本,以更好地满足其目标售价。 产品特征2048像素CMOS Monochrome LineScan 传感器像素大小有2 种版本: 10x20μm 和10x200μm像素满井容量有2个版本可用: 140ke- and 200ke-Camera Link 界面 (基本,中,完整)线速有4种版本可用: 高达20 kl/s, 80kl/s, 130kl/s 和 250kl/s位深度: 10, 11 和 12bits可配置的关注区域传感器封装有2种版本:陶瓷和有机电源: 10 至 15V DC. 符合PoCL低功耗: 3W 产品应用• 光学相干断层扫描 关键参数Sensors characteristicsValuesUnitResolution2048PixelsPixel size version10 x 20 10 x 200μmMax line rate versions2080130250kHzBit depth10, 11, 1210, 11, 1210, 11, 1210 (250 kHz)11 (200 kHz)12 (130 kHz)bit Electro-Optical performancesTypical ValueUnitPixel size version10 x 2010 x 200μmFull well capacity version140200140200ke-QE @850nm54545454%QE @890nm41414141%Response non linearity±1%Readout Noise55555555e-Dynamic range69726972dBSNR Max51535153dBPRNU HF Max0.50.50.50.5%Integration dead time in maximum exposure time0.6μs 灰色:理论值,尚未表征Programmable functionalitiesValuesUnitAnalog Gainx1 x2 and x4Digital Gainx1 to x7.996Offset-4096 to +4096 in 12 bit pixel formatLSBTrigger ModeInternal line trigger with programmable exposure time and line period Internal line trigger with max exposure time and programmable line period External line trigger with programmable exposure timeExternal line trigger with maximum exposure time 量子产率 输入/输出连接器和LED 编号方式相机具有不同的传感器版本和速度。相机部件号如下所述. 以下USB camera (UB) 以供参考,并可访问此处未提及的不同速度。 PackageMaterial used to connect the silicon chip with the electronics board.Sensor package is correlated to alignment precision (flatness, rotation and tilt) & robustness to temperature changes.CCeramicHigh precision alignment and robust to temperature changesSOrganicModerate precision alignment, but cost optimized InterfaceCamera interface to be chosen according to speed required and system complexityCLCamera LinkEnables quick demonstration & testing, enables to reach the highestspeed (up to 250KHz)UB USB3Optimizes system cost by removing the need for frame grabber component. Limited to 130KHz speed because of USB3 data throughputlimitation Pixel heightPixel shape is rectangular to help alignment and increase tolerance to T° changes020 μmMedium pixel height- optimize energy capture in defocused edgesrelatively to a 10μm square pixel.2200 μmLarge pixel height - remove the need for active alignment & calibration Pixel full well capacityPixel converts photons into e- and stores then during integration time.The maximum amount of e- stored in the pixel is named the full well capacity. Higher full well allows higher SNRA140 ke-Standard pixel full well capacityB200 ke-High pixel full well capacity for high SNR level in standard B-scans Sensor / camera speedSeveral sensor speed versions are available to enable choosing the best price vs performance ratio.Higher speeds allow fastest scan rate to increase Cube/Window size Lower speeds cameras optimize costs020 kHz@10, 11, 12bitsLow speed for basic B-scans180 kHz@10, 11, 12bitsMedium speed for first level of functional imaging2130 kHz@10, 11, 12bitsHigh-speed for wide cube acquisition & faster Angiogram analysis3 250 kHz250kHz @10bitsUltra high speed (in 10bits only) for the widest acquisition window– Decrease eye motion/fixation artefact200kHz @11bits130kHz @12bits
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