red diodes

From: David.McFarland@mcmail.vanderbilt.edu
Date: Thu Nov 11 1999 - 15:27:11 EST


We've had a FACSCalibur with a red-diode laser for over two years and it still
works.  And we use it very infrequently.

David McFarland
Howard Hughes Medical Institute
Flow Cytometry Facility
Vanderbilt University Medical Center
---------------------- Forwarded by David McFarland/VUMC/Vanderbilt on 11/11/99
02:34 PM ---------------------------





Alice.L.Givan@Dartmouth.EDU (Alice L. Givan) on 11/11/99 07:39:04 AM
                                                                                
                                                                                
 (Embedded image moved to file: pic23334.pcx)From:(Embedded image moved to      
 file: pic05996.pcx)Alice.L.Givan@Dartmouth.EDU (Alice L. Givan) on 11/11/99    
 07:39 AM                                                                       
                                                                                


                                                              
                                                              
                                                              
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 Subject: red diodes                                          
                                                              








Hi Flowers,
What are people's experiences with red diode lasers?  I have been told
that the manufacturers rate their lifetimes at 15,000 hours --- but
that they seem to need replacing in cytometers after about 6 months.
Is this true?  Any ideas as to what is going on ?
Thanks!
Alice
Alice L. Givan
Englert Cell Analysis Laboratory
of the Norris Cotton Cancer Center
Dartmouth Medical School
Lebanon, New Hampshire NH 03756
tel 603-650-7661
fax 603-650-6130
givan@dartmouth.edu






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