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Helium-Neon laser heads



Features:

Low thermal expansion hard borosilicate glass
Coaxial internal mirror design
High temperature sealing techniques (hard sealed)
Selected isotopic gas mixture
Non-evaporable getter
Discharge return inside cathode
Independent electrical cathode connection
Over 10,000 hours lifetime



SPECIFICATIONS

Rev.  Mar. 2009
Model RMM225L RMM355L RMM505L
Minimum CW output power at 632.8 nm (mW) 30 42 60
Transverse mode multimode multimode multimode
Beam diameter (mm) 3 3 3
Beam divergence (mRad) 3.2 2.7 2.3
Polarization random random random
Operating voltage (Vdc ± 150) 2750 3300 4100
Operating current (mA ± 0.3) 10 10 12.5
Maximum start voltage (kV) 10 12 16
Recommended minimum series anode ballast (kOhm) included included included
Longitudinal mode spacing (c/2L)(MHz) 230 175 138
Weight (g) 1700 2000 2500
Operating temperature (°C) -20 to +50 -20 to +50 -20 to+50
Operating position any any any
Dimensions (mm) 55x55x700 55x55x895 55x55x1100
Maximum output power (mW) 60 90 120
BRH Classification IIIb IIIb IIIb
Power supply SPS200 SPS200 SPS200


** Typical performances for CW or quasi-CW use.
All models are warranted to be free from defects in materials and workmanship for 24 months from date of shipment.
All details and specifications subject to change without notice.
He-Neclean-roomclean.room
 

Spectral

 via Azzurra 8 

40064 Ozzano dell'Emilia (Bologna) 

Italy

tel.+39 051 799058        spectral@spectral.it