SPECS PHOIBOS Series User Manual

The Lens System
Slit Size Iris Diameter
7 x 20 mm 30 – 40 mm
∅ 7
20 – 30 mm
∅ 3
10 – 20 mm
∅ 1
2.5 – 10 mm
Table 3: Recommended Iris Values for Spatially Resolved Measurements
Figure 9: Typical Intensity-Position Profile with Iris Aperture
The low tail intensity forms a disc. Its integrated intensity can achieve the same order of
magnitude as the intensity in the peak. Using the iris aperture these intensities can be
PHOIBOS 17

SPECS PHOIBOS Series Specifications

General

Brand	SPECS
Model	PHOIBOS Series
Category	Measuring Instruments
Language	English