He Ne Laser

He Ne Laser Specification

Theory
Helium-Neon Laser (He-Ne Laser)

Accuracy
High precision output

Color
Red

Measurement
Wavelength

Lens
High quality optical lens

Objective
Emission of coherent red laser light

Product Type
Gas Laser

Material
Glass tube with electrode assemblies

Size
Standard tube size, approximately 1 inch diameter

Weight
Approx. 200g

Length
Commonly 200mm (varies as per model)

Function
Laser light emission due to electrical discharge in helium-neon gas mixture

Resolution
Spectral linewidth typically <1 MHz

Service Life
~10,000 hours

Beam Diameter
~0.8 mm at aperture

Mode Structure
TEM00 (single transverse mode)

Operating Voltage
1100V DC (typical tube voltage)

Stability
Excellent power and wavelength stability

Application
Alignment, holography, interferometry, scientific research, educational demonstrations

Polarization
Linear polarization

Beam Divergence
<1.5 mrad

Output Power
1 mW to 5 mW (typical)

Cooling
Air cooled

Wavelength
632.8 nm

He Ne Laser Trade Information

Minimum Order Quantity
1 Piece

Supply Ability
5 Pieces Per Month

Delivery Time
4 Week

Main Export Market(s)
Asia, Australia

Main Domestic Market
All India

About He Ne Laser

He Ne Laser Module

Output Power: up to 15mW, CW
Wavelength: 632.8nm
Mode Structure: TEM00 (>95%)
Beam size: <= 1mm
Beam Divergence: <= 1.5 mrad
Polarisation: Unpolarised, Vertical Polarisation
Polarisation Ratio: 500:1
Power Supply: Included
Working Voltage: 230 Volts, 50 Hz, AC
Operating Temperature: -40 to 70 iC

Exceptional Beam Stability and Precision

This He-Ne laser boasts remarkable power and wavelength stability, making it essential in fields requiring high-precision measurements. Its TEM00 mode ensures a clean, Gaussian beam profile, while precise linear polarization facilitates advanced experimental setups and scientific analysis.

Versatile Applications Across Industries

With applications spanning from laboratory research and quality interferometry to alignment tasks in engineering and engaging educational demonstrations, the He-Ne laser stands out for its reliability and user-friendly air-cooled design, eliminating the need for complex cooling systems.

Designed for Long-Term Use and High Accuracy

Built with a robust glass tube and premium optical components, the laser delivers sustained performance-up to 10,000 hours of service life. Its high-quality lens guarantees a fine spectral linewidth below 1 MHz, enabling exceptional measurement accuracy and repeatable results.

FAQ's of He Ne Laser:

Q: How is the He-Ne laser typically used in scientific and educational environments?

A: The He-Ne laser is widely employed in scientific research for precise alignment, holography, and interferometry, as well as in educational demonstrations to illustrate fundamentals of laser physics and optics.

Q: What benefits does linear polarization offer for experimental applications?

A: Linear polarization ensures that the emitted light maintains a consistent orientation, which enhances its effectiveness in polarimetry, interferometric measurements, and other applications requiring precise beam control.

Q: When should routine maintenance or replacement be considered for the laser?

A: With a typical service life of about 10,000 hours, it is recommended to monitor usage and replace the laser tube once any decrease in output power or stability is observed, ensuring continued high performance.

Q: Where can users expect high precision from this He-Ne laser?

A: This laser provides high precision in tasks requiring stable wavelength and beam quality, such as calibration, quality control in manufacturing, and advanced optical experimentation.

Q: What is the process behind the laser's red light emission?

A: The laser emits red light at 632.8 nm as a result of an electrical discharge passing through a helium-neon gas mixture, exciting the atoms and stimulating coherent photon emission in a glass tube.

Q: How does air cooling benefit the operation of this laser?

A: Air cooling simplifies integration and operation by eliminating the need for external cooling systems, thus improving reliability and reducing maintenance requirements.

Q: What are the main advantages of using a He-Ne laser supplied by a U.S. manufacturer?

A: Sourcing from a U.S. manufacturer or supplier ensures reliable local support, strict adherence to quality standards, and enhanced availability for replacement parts and service.

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