Astronomical Institute AS CR Academy of Sciences CR
Astronomical Institute,
Academy of Sciences of the Czech Republic
Stellar
Physics
Department

CCD chip

Pylon 2KB_eXcelon

Back illuminate

2048x512 pixels, 13.5 micrometers per one pixel.

Scientic grade1
Detector IDPyLoN 2048x512BX
Chip IDE2V 42-10 BX
Coolingliquid nitrogen
Temperature-115 degrees C
Reading out frequency   50kHz
Gainhigh
Limited etaloninglowered oscillations (unwanted fringes)
Dispersion axis1 (along lines)

Input window is on the bottom of the dewar. Double-sided MgF2 coating vacuum window, optimised at 250nm.

Quantum efficiency of the CCD chip. Red line is our 2KB_eXcelon.
Quantum efficiency of the CCD chip. Red line is our 2KB_eXcelon.

Transmission of the input window. We have MgF2 double-side coating window (violet line).
Transmission of the input window. We have MgF2 double-side coating window (violet line).

Comparison of etaloning (fringing) of B-excelon and B chip technology
Comparison of etaloning (fringing) of B-excelon and B chip technology. We are equipped with lowered fringing chip (grey-green line).