Features
Complete set including power supply and tube
500:1 linearly polarized output
Built-in beam open/close shutter
Excellent stability
Long life with hard-sealed tube
Introduction
The LLL-2 He-Ne Laser is a low-pressure gas-filled glass tube containing helium and neon gases, with a pair of mirrors attached at each end. This type of laser is widely recognized for its versatility and is one of the most economical and practical gas lasers for various applications, particularly for beginners in laser experiments. The He-Ne laser is commonly used in educational settings for teaching purposes, as well as for precise alignment tasks in a range of optical experiments. It serves as an ideal tool for geometric optics, interference, diffraction, and polarization experiments.
It has following benefits:
1. Coherent Light Source: The laser provides a highly coherent light that is ideal for producing clear and sharp patterns in optical experiments.
2. Easy to Use: Its simplicity and reliability make it perfect for beginners, students, and those new to laser experiments.
3. Versatility: Suitable for a variety of experiments, including interference, diffraction, and polarization studies.
4. Compact and Economical: The LLL-2 He-Ne Laser is a compact and cost-effective solution for educational and experimental applications.
Specifications
| Description | Specifications |
| Wavelength | 632.8 nm |
| Minimum output power (TEM00) | 2.5 mW (class 3R/IIIA) |
| Beam diameter (1/e2 points, TEM00) | 0.63 mm |
| Polarization ratio | Linear 500:1 |
| Beam divergence (TEM00, full angle) | 1.3 mrad |
| High voltage cable | Length > 100 cm (w/Alden coax connector) |
| Tube dimensions | Length 270 mm, diameter 42 mm |
| Safety feature | Built-in beam open/close shutter |
Part List
| Description | Qty |
| He-Ne laser tube | 1 |
| Power supply | 1 |
