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    • 單光子相機(jī)SPAD+TDC

      產(chǎn)品型號:

      所屬分類:MPD單光子相機(jī)

      更新時(shí)間:2024-11-14

      簡要描述:單光子相機(jī)SPAD+TDC相機(jī)是基于32x32智能像素,每個(gè)像素包含一個(gè)SPAD(單光子雪崩二極管)探測器和一個(gè)時(shí)間數(shù)字轉(zhuǎn)換器(TDC)。在2D /強(qiáng)度模式下,SPAD陣列每幀提供1024個(gè)“字",每個(gè)“字"6bit(即單幀光子計(jì)數(shù)動(dòng)態(tài)最多64光子)。

      詳細(xì)說明:

        單光子相機(jī)32x32 SPAD+TDC camera SPAD+TDC在3D深度分辨/計(jì)時(shí)模式下,SPAD陣列每幀提供1024個(gè)“字",每個(gè)“字"10bit(即單幀時(shí)間分辨低至312 ps,滿量程范圍320 ns)。幀數(shù)在burst模式下高達(dá)100kfps(即最小積分幀時(shí)間為10 us),連續(xù)模式為10kfps。


      特點(diǎn):

      • 多模式

      • 光子計(jì)數(shù)

      • 2D圖像

      • 3D渡越時(shí)間

      • TCSPC(時(shí)間相關(guān)單光子計(jì)數(shù))

      • 圖像尺寸:32x32 (1024) pixels

      • 像素內(nèi)計(jì)數(shù)器:6 bit (光子計(jì)數(shù))

      • 像素內(nèi)TDC:10 bit (光子計(jì)時(shí))

      • 最大幀數(shù):100,000 fps (burst)/ 10,000 fps (continuous)

      • 時(shí)間分辨:312 ps – 0.9 ns

      • 滿量程范圍:320 ns – 0.92 µs

      • 硬件接口:USB 2.0

      • 軟件界面:MATLAB


      應(yīng)用:

      • 單光子計(jì)數(shù),計(jì)時(shí)和成像

      • 中長距離激光雷達(dá)

      • 醫(yī)學(xué)影像學(xué),F(xiàn)LIM,F(xiàn)RET

      • 時(shí)間分辨光譜

      • 擴(kuò)散光學(xué)層析成像


      單光子相機(jī)32x32 SPAD+TDC 參數(shù):

      ParameterNotesMinTypMaxUnits
      Resolutionnumber of pixels32x32pixels
      SPAD diameterdiameter of the SPAD into each pixel30µm
      Pixel pitchsize of each pixel150µm
      Pixel fill‐factorwith no microlens3.14%
      PhotonDetectionEfficiency(PDE) of SPAD detectors@ 420nm50%
      @ 300nm and @650nm20%
      @ 800nm5%
      Dark count rate(DCR)with VEX=5V100cps
      Afterpulsingwith 20 ns hold‐off time2.6%
      Optical cross‐talkbetween nearest pixels0.01%
      Photon‐counting dynamicsnumber of bits of the in‐pixel counter6bit
      Photon‐timing dynamicsnumber of bits of the in‐pixelTDC10bit
      On‐board clock(fclock)adjustable through the GUI interface70                            200MHz
      TDC least significant bit(LSB)[1]withfclock=200MHz
      312
      ps
      withfclock=160MHz
      390
      ps
      withfclock=70MHz
      900
      ps
      TDC full‐scale range(FSR)[1]withfclock=200MHz
      320
      ns
      withfclock=160MHz
      400
      ns
      withfclock=70MHz
      920
      ns
      Full‐scale depth rangemax scene depth, around the target distance (even kilometers from the camera, depending on the optical setup)4860138m
      TDC single‐shot precision(FWHM)with clock=160MHz (all 32x32 TDC working in parallel)
      660
      ps
      Frame‐rateBurst mode(limited by FPGA read‐out)no limit
      100,000fps

      Continuous mode(limited by USB2.0 link)no limit
      10,000fps
      Camera power supply

      +5
      V
      Lensconnector
      12mm–F/1.4C‐Mount




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