Gentec-EO QE and XLE4 - Manual (Page 14)

QE Series Joulemeter Instruction Manual Version 3.0 April 2014 14
FOOTNOTES FOR QE12/25/50/65/95 MB SERIES SPECIFICATIONS:
1 See “Personal wavelength correction” certificate
2 Load capacitance must be

30 pF, excluding the supplied BNC to DB- 15 “Smart Interface” coaxial
cable.
3 Assuming 0.6 J/cm
2
@ 1.064µm, 7ns laser beam; with a uniform energy distribution; energy applied to
full aperture. Increasing the pulse width increases the maximum measurable energy.
4 At constant power.
5 To maintain indicated calibration, sensitivity must be de-rated for longer pulses.
6 Calibrated at: 100 mJ, 10 Hz, @1.064 µm, 150 µsec pulse (FWHM), semi-Gaussian beam profile,
energy applied to 80% of aperture, loaded into 1 M

/ 30 pfd.
7 For values other than calibrated wavelength only a typical value is available.
8 Excludes non-linearities.
9 Duration at base of pulse. Divide by 2 for FWHM (Full Width at Half Maximum) duration.
10 Loaded into 1 M

/ 30 pfd.
11 Maximum measurable energy, maximum energy density and maximum average power can be
increased by using an optional QED attenuator / diffuser.
12 Warning: Detector body can reach 60°C at maximum powers.
13 @1.064µm, CW