BD LSR II - Optics System Description

32 BD LSR II User’s Guide
Optics
Figure 1-4 shows the optical bench components of the BD LSR II instrument.
Figure 1-4 Optical bench components (engineering model)
photomultiplier tubes (PMTs) Devices that convert optical signals into
electrical signals (see Detectors on page 35)
octagon Array of PMTs and filters that can detect up
to eight signals (Figure 1-5 on page 35)
trigon Array of PMTs and filters that can detect up
to three signals (Figure 1-6 on page 36)
lasers: blue 488 nm, red 633 nm, UV
355 nm, and violet 405 nm
See Lasers on page 33.
optics cover Shielding that houses the flow cell, forward
scatter (FSC) assembly (see Detectors on
page 35), and the excitation optics
photomultiplier tube (PMT)
trigon
octagon
blue 488-nm laser (standard)
red 633-nm laser
UV 355-nm laser
violet 405-nm laser
steering optics
(optional)
(optional)
(optional)
photomultiplier tube (PMT)
LSR2.book Page 32 Tuesday, April 25, 2006 3:34 PM