Two types of laser light sources

• Compact size for easy handling
• Continuous or modulated light output
• Continuous wave(CW) output or 3 types of modulated light output (270 Hz, 1 kHz, 2 kHz ) can be selected.

• Light-emitting element laser diode
• Output connector FC, SC (using optional connector adapter)
• Fiber type Single mode
• Output mode Continuous wave (CW) or modulated light (270 Hz, 1 kHz, 2 kHz)
• Output wavelength 1310 ±20 nm (3663-20) 1550 ±20nm (3662-20)
• Spectrum width 5 nm max.
• Output level -6 ±2 dBm
• Output level stability Within ±0.1 dB (temperature constant, 5 minutes)
• Within 1.0 dB p-p (ambient temperature 0 to 40°C, 8 hours)
• Functions Battery check (indicator flashes when battery voltage drops)
• Power supply LR6(AA) alkaline battery × 2, 0.6 VA
• Operating time Approx. 20 hours (3662-20, continuous CW output)
• Approx. 36 hours (3663-20, continuous CW output)
• Dimensions and mass 76 mm(3.00 in)W × 159 mm(6.26 in)H (including 36 mm cover) × 35 mm(1.38 in)D, 180g(6.35 oz) (without batteries)
• Accessories carrying case (1), hand strap(1)