Lumenis Selecta Duet SLT YAG Specifications

YAG treatment laser specifications

• Type: Q-switched solid state Nd:YAG photodisruptor laser
• Wavelength: 1064 nanometers
• Safety Class: IIIb (3B)
• Mode of operation: Fundamental, diffraction limited
• Energy settings: .3 mJ to at least 10 mJ continuously variable
• Maximum energy: 45mJ at triple pulse setting
• Pulse Duration: 4 nanoseconds +4/-0 ns
• Pulse Setting: 1,2, or 3 pulses per shot; pulse separation of 20 microseconds ± 20%
• Repeat mode (max):
  • 2.0 Hz single pulse
  • 1.8 Hz double pulse
  • 1.6 Hz triple pulse
• Treatment spot size:
  • 11 microns (84% energy in diameter)
  • 8 microns FWHM
• Beam divergence: 16 degrees +0˚/-2˚ full cone angle
• Laser safety filters: Total filtering OD5 @1064 nm
• Nominal Ocular Hazard Distance (NOHD): 18 feet (5.5 meters)

SLT treatment laser specifications 

• Type: Q-switched frequency doubled Nd:YAG laser
• Wavelength: 532 nanometers
• Safety class: IIIb (3B)
• Mode of operation: Frequency doubled, diffraction limited
• Energy settings: 0.3 mJ to 2 mJ continuously variable
• Pulse Duration: 3 nanoseconds +3/-0 ns
• Pulse setting: 1 pulse per shot; pulse separation of 20 microseconds ± 20%
• Maximum repetition rate (manual): 2.0 Hz (single pulse only) ± 20%
• Treatment spot size: 400 +0/-40 microns (84% included energy)
• Beam divergence: <3 degrees (84% included energy)
• NOHD: Approx 75 yards (69 meters)
• Safety Filters: Total filtering OD 5 @ 532

Aiming lasers specifications

• Type: Semi conductor laser diode
• Wavelength: 635 ±5 nanometers
• Safety Class: II (2)
• Operation: CW (continuous waves)
• Power: < 1 mW, continuously variable  

Slit lamp specifications

• Type: Galilean stereoscopic microscope with converging optics
• Objective lens: 1.25 x
• Eyepiece lens: 12.5 x, dioptre adjustable in range ± 5 D
• Total magnification: 16 x (12.5 x eyepiece)
• Magnification changer: 3 position, removable
• Interpupillary distance adjustment: 2.16 to 3.5 in (55-88 mm)
• Working distance: 2.16 in (55 mm)
• Focal length: 3.6 in (92 mm)
• Chin rest: Adjustable, Vertical travel 2 in (50 mm)

        Slit Lamp Source

• Slit Width: 0 to ½ in (0 to 12 mm)
• Illumination view field: 0.5 mm, 5 mm, 8 mm, 12 mm, continuously variable
• Slit rotation: 180 degrees
• Illuminating angle: 180 degrees at horizontal plane (90 degrees for right/left)
• Filters: Green, cobalt-blue, neutral density (ND) (28% attenuation)
• Bulb: Halogen lamp, 12 V, 30 W pre-centered bulb
• Fixation lamp: Green incandescent lamp

        Cross slide table

• Vertical adjustment of binocular arm: 1 in (26 mm), by rotation of joystick
• Fine horizontal movement: By tilting joystick lever, fine movement of 11 mm
• Coarse horizontal movement: By moving the slit lamp base, coarse movement of 4 in (103 mm) longitudinal and 4 in (103 mm) lateral travel