iDus InGaAs Spectroscopy CCD

490-2.2

Andor’s iDus InGaAs detector array system with USB 2.0 connectivity, low noise and high QE in the near infrared wavelength region, boasts a 512 element 25μm pitch linear photodiode array (PDA) ideal for NIR spectroscopy and extends the advantages of multichannel detectors with a spectral response from 0.8 to 2.2μm. Coupled to one of Andor’s Shamrock spectrograph models, this iDus InGaAs detector array is the ideal tool for NIR spectroscopy applications such as NIR Photoluminescence and Absorbance.

Technical Specifications

• What does this specification mean?Active Pixels

  512

  The smallest elements of a CCD detector grid.

• Pixel Well Depth (e^-, typical)

  Me^- Typical: HDR = 170, HS = 5

• Read Noise (e^-, typical)

  580 e^-

• Readout Rate per pixel kHz (µs)

  100 (10)

• Pixel Size (µm)

  25 (W) x 250 (H)

• What does this specification mean?Max Spectra Per Sec

  193

  Based on a Horizontal Pixel Readout of 100KHz and a vertical pixel shift of 13μS. Vertical speeds are software selectable. All sensors are guaranteed to operate at 13μs vertical pixel shift and most can be clocked faster. At these faster speeds there may be some degradation of Charge Transfer Efficiency (C.T.E.). FVB is short for Full Vertical Binning (Binning is a process that allows charge from two or more pixels to be combined on the EMCCD-chip prior to readout).

Features and Benefits

• 0.8 to 2.2 μm

  Operating wavelength range

• Peak QE of >70%

  High detector sensitivity

• TE cooling to -90°C

  (typically attainable in 20 °C ambient and 10 °C coolant) Negligible dark current without the inconvenience of LN₂

• UltraVac™

  Permanent vacuum integrity, critical for deep cooling and sensor performance

• Single window design

  Delivers maximum photon throughput

• 25 μm pixel width option

  Ideal for high-resolution NIR spectroscopy

• Simple USB 2.0 connection

  USB plug and play – no controller box. Inputs & Outputs: External Trigger, Fire and Shutter TTL readily accessible. I²C for the more adventurous user

• Software selectable output amplifiers

  Allows user to optimize operation with choice of High Dynamic Range (HDR) or High Sensitivity (HS) modes of operation

• Minimum exposure time of 1.4 μs

  Enables higher time-resolution and minimization of dark current contribution for applications with reasonable signal level

Quantum Efficiency Curve