Scintillation screens

Scintillation screens are supplied in a wide range of shapes and sizes specific to the clients needs or project specification

Imaging screens

Scintillation crystals processed to thin flat surface plates serve as excellent imaging screens with high spatial resolution. Extraordinary scintillation characteristics, high optical homogeneity, perfect surface flatness and high resistance are the key factors influencing the quality of the resulting radiography or readout.

Crytur's imaging screens are most suitable for electron beams, proton beams, low energy x-rays, UV light, VUV and XUV radiation.

Properties:
High optical quality High homogeneity of luminescence Thickness, excellent face parallelism	Chemical resistance Mechanical resistance Temperature resistance

Materials

Standard scintillation materials used for imaging screens include YAG:Ce, LuAG:Ce and YAP:Ce. Both garnet materials - YAG:Ce and LuAG:Ce - provide excellent properties for imaging with lower energies. The emission spectra of both crystals make them ideal for consecutive photodiode and avalanche photodiode readout. On the other hand YAP:Ce is suitable for readout in the UV.

The use of each material depends strongly on the desired output. We will always recommend the right material to fit your project upon project specification.

Dimensions

Precise processing allows us to deliver a wide variety of scintillation screens from standard or large diameter screens down to extremely thin screens with only 5 micrometer thickness!

We can provide imaging screens in the following dimension ranges depending on the type of the screen.		Diameter	Thickness
LARGE DIAMETER SCREENS		up to 105 mm	down to 200 µm
STANDARD SCREENS		typically up to 50 mm	typically 100-1000 µm
VERY THIN FREESTANDING SCREENS	YAG:Ce screens	up to 50 mm up to 10 mm	down to 50 µm down to 20 µm
VERY THIN FREESTANDING SCREENS	YAP:Ce screens	up to 50 mm up to 10 mm	down to 100 µm down to 50 µm
VERY THIN SCREENS WITH RING SUPPORT		up to 10 mm up to 50 mm	down to 20 µm down to 50 µm
ULTRA-THIN SCREENS (ON SUBSTRATE ONLY)		up to 40 mm up to 30 mm	10 µm 5 µm

Support, marking, coating

Support and frames

Imaging screens may be either coupled to an underlying substrate with adhesives in order to achieve better optical readout or inserted into frames for easier manipulation. Ultra-thin screens are supplied on substrates only.