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UHF-CNT 펄스 카운터

  • 개요
  • 어플리케이션
  • 기능 다이어그램
  • 상세설명
  • 사양

The UHF-CNT Pulse Counter features analysis of up to 4 pulse trains in parallel, enabling event based measurements, e.g. photon detection using photo-multiplier tubes. There are five distinct modes of operation and each channel offers an adjustable discriminator. The maximum count rate is 225 MHz. Measurement results from the pulse counters can be conveniently analyzed with the LabOne® toolset, which features time domain and histogram display. Through the cross-domain trigger engine, branching conditions for the UHF Arbitrary Waveform Generator can be defined based on counter values, enabling ultra-fast feed-forward loops for quantum error correction.

UHF-CNT 주요 특징

  • 4 counter modules
  • 225 MHz maximum count rate
  • 5 modes: manual, triggered, free, gated and pulse tagging
  • 4 signal inputs with adjustable discriminator level
  • Background subtraction using 2 counter modules
  • Analog output of counter data


UHF-CNT 업그레이드 및 호환성

  • Option upgradeable in the field
  • Compatible with all other UHF options

UHF-CNT 어플리케이션

  • Quantum optics
  • Trapped ion experiments
  • Diamond N/V center experiments
  • Phosphorescence Lifetime Imaging (PLIM)

UHF-CNT 기능 다이어그램

UHF-CNT 상세설명

The UHF-CNT Pulse Counter enables measurement of randomly distributed pulses and can operate with the following five modes:

  • Manual mode: the counter starts and stops counting based on a manual software setting. At the end of the counting period, the count value is output.
  • Triggered mode: works in the same way except that the start and stop signals come from an external trigger source.
  • Free-running mode: the counter runs in repeated periods defined by a configurable timer. At the beginning of the period the counter is reset, and at the end, the accumulated number of counts are output.
  • Gated mode: allows an external gating signal to control the free-running mode. The external signal resets the counter as well as the timer.
  • Pulse-tagging mode: every single event is counted and transmitted to the server along with a time tag.

All modes feature background subtraction, i.e. taking into account measurement values from two separate counters. Via the 1GbE interface, the counter data can be streamed to the host PC where they can be analyzed using the LabOne toolset. Alternatively, counter data can be output as an analog signal on any of the four auxiliary outputs which provides a robust interface to other instruments.

In combination with the UHF Arbitrary Waveform Generator the UHF-CNT features advanced cross-triggering functionality for complex pulsed experiments in quantum optics. Counters can be initiated and reset by the UHF AWG, and vice versa, counter values can serve as a trigger or branching conditions for the UHF AWG.

UHF-CNT 사양

General
signal inputs 4 Trigger Inputs, 32 DIO
# counter modules 4
counter value depth 32 bit (4.29 Gcounts)
maximum count rate 225 MHz
time resolution 4.44 ns
run modes manual, triggered, free-running, gated, pulse-tagging
signal input impedance 50 Ω/1 kΩ
dead time between periods <30 ns
signal input (discriminator) range –2.5 V to +2.5 V (50 Ω input impedance)
–5 V to +5 V (1 kΩ input impedance)
signal input (discriminator) resolution <0.2 mV
signal input (discriminator) hysteresis 100 mV
analog output 4 analog outputs of counter data (16 bit, ±10 V range)
  • 가족친화우수기업
  • 청년친화 강소시업
사업자등록번호 : 220-86-72761대표이사 : 신동만대표전화 : 070-7872-0701팩스 : 02-2167-3801
(우)07299 서울특별시 영등포구 경인로 775 (문래동 3가, 에이스하이테크시티 3동 2층)