Gentec-EO QE and XLE4 - Manual (Page 32)

QE Series Joulemeter Instruction Manual Version 3.0 April 2014 32
4 OPTIONAL ACCESSORIES
4.1 QED ATTENUATOR / DIFFUSER
The QED attenuators increase the energy, energy density, average power and average power
density capabilities of the QE Series.
They are engineered to typically transmit 30-50% of the incident radiation to the detector in a near
Lambertian pattern (very wide diffusion pattern).
They feature ease of installation and removal.
The QED attenuators can be optionally calibrated @1.064µm when purchased at the same time as
a corresponding QE joulemeter.
Fig. 4-1, QED ATTENUATOR SPECIFICATIONS
Attenuator
QED12 QED25 QED50 QED65 QED95
Spectral Range 0.19 to 2.5 µm
Optional Calibration
Spectral Range
0.3 to 2.1 µm
Typical Reflectance 40 - 50%
Max. Energy Density
16 J/cm
2
@1064nm, 7nsec, Single shot
8 J/cm
2
@1064nm, 7nsec, 10Hz
6 J/cm2 @532nm, 7nsec, 10Hz
1 J/cm
2
@266nm, 7nsec, 10Hz
Dimensions
(Lx W x D, mm)
30.5 x 41 x
12.5
44 x 55 x 12.5 69 x 80 x 12.5 85 x 97 x 12.5 115 x 127 x 12.5
For use with QE12 QE25 QE50 QE65 QE95