40 BD LSR II User’s Guide
Filter and Mirror Configurations
Each PMT (except the last PMT in every
detector array) has two slots in front of it.
• The slot closest to the PMT holds a
bandpass filter holder.
• The slot furthest from the PMT
holds a longpass dichroic mirror
holder.
The last PMT in every detector array (PMT H in the octagon, and PMT C in all
trigons) does not have a mirror slot.
Optical Holders, Filters, and Mirrors
Optical holders house filters and mirrors. Your instrument includes several blank
(empty) optical holders.
Figure 2-2 Blank optical holders, filters, and mirrors
; Tip To ensure data integrity, do not leave any slots unfilled in a detector array
when you are using the associated laser. Always use a blank optical holder.
filter slot
mirror slot
PMT A
bandpass filter
(filter slot)
blank optical holder
empty
longpass dichroic mirror
blank optical holder
(mirror slot)
empty
LSR2.book Page 40 Tuesday, April 25, 2006 3:34 PM
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