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| The UV image converters are fluorescent plates that convert UV radiation that is poorly imaged by silicon cameras into visible light that is then imaged
onto the CCD of the camera. These fluorescent plates are specially designed for UV conversion and have a high light output, wide linear dynamic range
and high damage threshold. |
| There are 3 versions available: |
- The 4X UV image converter for large beams converts to visible and then images onto the CCD while reducing the beam size 4X.
- The 1:1 UV image converter converts to visible and images the beam onto the CCD without changing the size.
- The 4X expander with UV converter converts to visible and images a beam enlarged 4X onto the CCD.
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| All of the above imagers allow a beam splitter to be mounted at 45 deg angle in front of the imager so as to allow imaging of higher power/energy beams. |
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| 4X beam reducing UV Image Converter
as mounted on camera |
1X UV Image Converter
with Optional Beam Splitter |
| Shown here is a profile of a 248mm
Excimer laser beam |
 |
 |
| Cross section of 4X reducing UV image Converter |
4X beam expander with UV
converter |
| |
| Specifications |
4X UV Image Reducing Converter |
1X UV Image Converter |
4X Beam Expander with UV converter |
| Beam Reduction |
4X reduction ±2% with included correction
factor |
1:1 imaging ±2% with included correction factor |
4X expansion ±2% with included
correction factor |
| Resolution |
50µm x 50µm |
20µm x 20µm |
15µm x 15µm |
| Spectral range |
193 to 360nm |
| Minimum signal |
~1uJ/cm2 with blank filter |
~50uJ/cm2 with blank filter |
~1µJ/cm2 with blank filter |
| Saturation intensity |
ø30mm but effective beam size is limited to
4X CCD dimensions (see pages 138-143) |
ø18mm but effective beam size is limited to CCD
dimensions (see pages 138-143) |
1/4 the size of the CCD dimensions (see
pages 138-143) |
| Damage threshold |
100W/cm2 or 2J/cm2 with beam splitter |
| Dimensions |
ø50mm dia x 185mm length |
ø31mm dia x 120mm length |
ø29mm dia x 69mm length |
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| Ordering Information |
| Item |
Description |
P/N |
| 1X UV image converter |
Screw on imaging telescope that converts UV image to visible and images same size on CCD. For beam intensities from 50µJ/
cm2 to 15mJ/cm2. Fits 4.5mm recess and CS mount cameras |
SPZ17023 |
| Beam splitter for above |
45 degree wedged beam splitter to reduce intensities on image converter by ~20X. For beam intensities of up to 300mJ/cm2 at 193nm |
SPZ17015 |
| 4X reducing UV image
converter |
Screw on imaging telescope that converts UV image to visible reduces the size 4X and images on CCD. For beam intensities
from 1µJ/cm2 to 15mJ/cm2. Fits 4.5mm recess cameras only. |
SPZ17024 |
| Beam splitter for above |
45 degree wedged beam splitter to reduce intensities on by ~20X. For beam intensities of up to 300mJ/cm2 at 193nm. |
SPZ17007 |
| UV converter assembly for
4X beam expander |
Screw on assembly which has UV plate to convert 193 - 360nm radiation to visible. The plate is at the object plane of the 4X
expander (P/N SPZ17022) and produces a 4X enlarged image on the CCD |
SPZ17019 |
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Zubehör für UV-Laser - Integral Reimaging UV Image Converters