IC212 Datasheet, PDF (13/15 Pages) IC-Haus GmbH – HIGHSPEED PHOTORECEIVER

iC212
HIGHSPEED PHOTORECEIVER
Ulbricht sphere
preliminary
Rev A2, Page 13/15
Figure 28: 3-port Ulbricht sphere with iC212 and
Newport power meter
Figure 30: Laser light coupled into the Ulbricht
sphere
Figure 31: Laser pulse with 260 ps rise time (chan-
nel 1)
Figure 29: HG1M laser controller with 2 W CW
laser diode
On the ideal size of an Ulbricht sphere see also "How
to select an integrating sphere for your application" by
Valerie C. Coffey at www.optoiq.com.
Figure 32: Due to size of Ulbricht sphere the pulse
gets distorted (ca. 4 ns rise time)