多模式光子计数2D图像3D渡越时间TCSPC(时间相关单光子计数)图像尺寸:32x32 (1024) pixels像素内计数器:6 bit (光子计数)像素内TDC:10 bit (光子计时)最大帧数:100,000 fps (burst)/ 10,000 fps (continuous)时间分辨:312 ps – 0.9 ns满量程范围:320 ns – 0.92 μs硬件接口:USB 2.0软件界面:MATLAB
ParameterNotesMinTypMaxUnitsResolutionnumber of pixels32x32pixelsSPAD diameterdiameter of the SPAD into each pixel30μmPixel pitchsize of each pixel150μmPixel fill‐factorwith no microlens3.14%PhotonDetectionEfficiency(PDE) of SPAD detectors@ 420nm50%@ 300nm and @650nm20%@ 800nm5%Dark count rate(DCR)with VEX=5V100cpsAfterpulsingwith 20 ns hold‐off time2.6%Optical cross‐talkbetween nearest pixels0.01%Photon‐counting dynamicsnumber of bits of the in‐pixel counter6bitPhoton‐timing dynamicsnumber of bits of the in‐pixelTDC10bitOn‐board clock(fclock)adjustable through the GUI interface70 200MHzTDC least significant bit(LSB)[1]withfclock=200MHz312pswithfclock=160MHz390pswithfclock=70MHz900psTDC full‐scale range(FSR)[1]withfclock=200MHz320nswithfclock=160MHz400nswithfclock=70MHz920nsFull‐scale depth rangemax scene depth, around the target distance (even kilometers from the camera, depending on the optical setup)4860138mTDC single‐shot precision(FWHM)with clock=160MHz (all 32x32 TDC working in parallel)660psFrame‐rateBurst mode(limited by FPGA read‐out)no limit100,000fpsContinuous mode(limited by USB2.0 link)no limit10,000fpsCamera power supply+5VLensconnector12mm–F/1.4C‐Mount