Monochromatic, coherent light source for optical experiments, e.g. on diffraction, interference, and hologram reconstitution. Anodised metal housing with key switch, neutral filter for attenuating beam, handle and power supply unit. To widen the beam, microscope objectives (e.g. W30614) can be screwed to the beam aperture.

Specifications:

• Laser protection class: II
• Output power: <0.2 mW (with neutral grey filter) <1 mW (without neutral grey filter)Wavelength: 633 nm
• Beam diameter: 0.48 mm
• Radiation divergence: 1.7 mrad
• Mode: TEMoo
• Polarisation: Random
• Service life: > 12000 hours
• Plug-in power supply: 12 V DC, 1 A
• Dimensions: approx. 200x60x50 mm³
• Weight: approx. 0.6 kg

• 1 Helium-Neon Laser
• 2 Keys
• 1 Long stand rod
• 1 Short stand rod
• 1 Transformer 12 V