Description
Atomfair-HeNe-Laser Educational Experimental Equipment
Product Overview
Atomfair-HeNe-Laser-739 is a high-performance experimental device belonging to the optoelectronics and laser category. Exclusively designed for educational experimental teaching, it serves as an essential tool for learners to delve into the principles, operations, and performance testing of helium-neon lasers. With its comprehensive configuration and precise parameters, this equipment offers a hands-on and intuitive experimental experience, making complex laser-related knowledge more accessible.
Key Values of the Instrument
- Hands-on Skill Enhancement: Through the practical assembly and debugging of the helium-neon laser, users can adjust the cavity length of the resonant cavity and observe changes in beam parameters. This process effectively cultivates hands-on experimental abilities and deepens the understanding of laser device structure and operation.
- Intuitive Feature Observation: Equipped with a confocal spherical scanning interferometer, the device allows for the intuitive presentation of the spectral distribution of transverse and longitudinal modes. It helps learners visually comprehend the inherent characteristics of lasers, facilitating the mastery of professional theoretical knowledge.
Experimental Projects Available
- Learn the assembly and debugging of helium-neon lasers, grasp the working principle and structural composition of gas lasers, familiarize yourself with the collimation, tuning, and oscillation processes of lasers, and explore the mechanism of laser generation.
- Accurately measure the laser spot distribution and calculate the laser divergence angle parameter.
- By changing the cavity length of the resonant cavity and replacing the output mirror, observe and measure the correlation between the cavity type and laser power, transverse mode, and longitudinal mode, so as to verify the scientificity of the resonant cavity theory.
- Utilize the confocal spherical scanning interferometer to observe the spectral distribution of longitudinal and transverse modes, and complete the measurement of the finesse of the scanning interferometer.
Standard Configuration & International Standard Specifications
| No. | Configuration Name | International Standard Specifications |
|---|---|---|
| 1 | Optical Experiment Guide Rail | Length: 1 meter, equipped with a scale; adopts dovetail structure design, made of aluminum alloy |
| 2 | Laser | External cavity structure with Brewster window; central wavelength: 632.8 nm, output power: ≥1.5 mW; output mirror curvature radius: 1 m and infinity (two specifications), reflectivity: ＞99.8% |
| 3 | Collimated Laser | Wavelength: 650 nm, power stability: better than 1%, output power: ＞4 mW, built-in protection module |
| 4 | Sawtooth Wave Generator + Confocal Spherical Scanning Interferometer | Sinusoidal wave modulation amplitude: 0~250 V (continuously adjustable), modulation frequency: 20~50 Hz; finesse: ＞100, free spectral range: 4 GHz |
| 5 | Optical Power Indicator | 3.5-digit digital display; measurement range: 200 μW, 2 mW, 20 mW, 200 mW, and adjustable gear; minimum resolution: 0.1 μW; calibrated wavelength: 632.8 nm |
| 6 | Adjustment Frame | Includes 4-dimensional adjustment frame, 2-dimensional adjustment frame, and gain crystal 3-dimensional adjustment frame |
| 7 | Other Auxiliary Accessories | Adjustable slit, small hole screen, oscilloscope, etc. |
If you’re interested, have any questions, or have specific customization requirements, please feel free to contact us at inquiry@atomfair.com.
