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7.2 CALIBRATION
The LIDA-SRS-KIT with TracQ Basic can display simple voltage or current measurements as well
as calibrated readings in radiometric units.
available with spectral responsivity data. This type of detector can calculate incident power and it
display the readings in real time. Figure 20 shows the measurement setup of light output from the
Monochromator.
Figure 20: Oriel Monochromator Integration with TracQ Basic
Items needed to build the setup shown in Figure 20:
•
LIDA-SRS-KIT
•
Monochromator (example: Oriel model CS260-USB-Q-FH-A)
•
Amplified, calibrated detector (example: Oriel model DET-L-SIUV-R-C)
•
Tunable Light Source, 300W Xenon (Oriel model TLS-300X)
Because the LIDA-SRS-KIT is compatible with a wide variety of detectors, the precise procedure
for obtaining calibrated results varies. It is typically necessary to load wavelength and responsivity
values into one of the wavelength tables, to enter a calibration scale number, and to enter the
wavelength at which the measurement will be taken. With these three steps, the LIDA-SRS-KIT
will display accurate calibrated data in watts.
The Oriel detector model DET-L-SIUV-R-C is calibrated from 200 to 1000 nm at room temperature
and has a 10 x 10 mm square active area. The built-in transimpedance amplifiers allow the gain to
4
be set from 10
The calibrated data file provided with the detector has two columns of tabulated data, wavelength
and responsivity, as shown in Figure 21. After the calibrated data is loaded into TracQ Basic, the
detector gain value needs to be entered. The detector gain value must match the gain switch
position on the detector. Figure 22 illustrates the software's gain setting dialog box.
Family of Brands – ILX Lightwave
9
V/A to 10
V/A.
• New Focus™ • Ophir
®
Most of Oriel's LIDA-compatible detectors are
• Corion • Richardson Gratings™ • Spectra-Physics
®
MLIDA, Rev A
®
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