Contact Us

greateyes GmbH
Ludwig-Boltzmann-Str. 3
12489 Berlin

+49 (0)30 221 844 700
+49 (0)30 221 844 709
info    greateyes.de

This series of highly sensitive, cooled cameras with vacuum flange is equipped with ultra-low noise 18-bit readout electronics and perfectly suited for spectroscopy and imaging applications in the VUV, EUV and X-ray range up to 20 keV. The CCD detectors deliver spectra and images with outstanding dynamic range. To find the best solution for your application, greateyes offers different sensors with quantum efficiencies up to 97%.

  • Up to 98% peak quantum efficiency
  • Ultra-deep cooling to -90 °C
  • 18-bit dynamic range
  • Multi-MHz Readout
  • 4 readout outputs
  • Max. full well capacity of 350 ke⁻
  • Scientific low-noise CCD sensors
  • USB 3.0 & Gigabit Ethernet connection

ALEX-i 4k4k BI DD

Model Specification ALEX-i 4k4k BI DD

Image area 61.4 mm × 61.7 mm
Pixel format 4096 × 4096 pixels
Pixel size 15 μm × 15 μm
CCD sensor cooling Min. -90°C to 20°C, forced air or liquid cooling
Gain Standard mode / high capacity mode counts/e-
Data link USB 3.0 & Gigabit Ethernet
Distance flange - focal plane 27 mm
Dimensions 13.7 cm (5.39ʺ) × 13.7 cm (5.39ʺ) × 13.3 cm (5.24ʺ) (W × H × L, camera body)
Weight 12 500 g
CCD sensor type Back-illuminated, deep depletion
Sensor coating -
Full well capacity 350 k e-

Common Specification ALEX for VUV EUV X-ray

Pixel readout frequency 50 kHz, 100 kHz, 250kHz, 500 kHz, 1 MHz, 3 MHz (5 MHz for visualization mode)
AD converter resolution 18-bit
Software greateyes Vision software for Windows 7/10
SDK and drivers SDK for Windows/Linux, driver for Python, LabVIEW, EPICS, Tango system
Power supply 80-264 VAC (115/230 typical), 47-63 Hz (50/60 typical), max. 1.1 A (230 VAC), 1.9 A (115 VAC)
Certification CE
Linearity Better than 99%

Data Sheets

Quantum efficiency curves

QE of the ALEX-i series


greateyes Vision software

The greateyes Vision software suite provides access to all camera functionalities. It includes comprehensive visualization, analysis and storage options and supports important features such as wavelength and geometric calibration, crop and burst modes and various file formats. The software runs on 32/64-bit Windows systems. For integration into other systems, a software development kit and drivers are available.

  • Supports crop and burst readout modes for higher frame rates and precise time resolution 
  • Supports flexible horizontal and vertical binning
  • Wavelength and geometric calibration
  • Various file formats: JPG, BMP, TXT, TIFF (16-bit), DAT raw data
  • Many drivers available for integration into other systems 
  • Language support in English and German
  • Comprehensive visualization and image manipulation routines
  • Runs on 32/64-bit Windows systems