MELLES GRIOT LRH-201 Helium Neon Laser Tube

( Brand: Melles Griot ), ( Manufacturer Part Number: LRH-201 ), ( Model: 05 LRH-201 ), ( Part Type: Laser Tube ), ( Unit Type: Unit ), ( Country/region Of Manufacture: United States ), ( Intended Use/discipline: Biological Laboratory )

Review MELLES GRIOT Helium neon Laser Tube

The Melles Griot LRH-201 helium-neon laser tube is a high-performance optoelectronic component designed for various applications in the scientific, industrial, and research fields. This laser tube is engineered with exceptional quality and precision to deliver reliable and consistent laser output.

The LRH-201 is a helium-neon gas laser tube, which means it utilizes a mixture of helium and neon gases to produce coherent red laser light at a wavelength of 632.8 nanometers. This specific wavelength is widely used due to its brightness, long coherence length, and ease of generation.

The laser tube measures 3.5 inches (88.9 mm) in length and 0.37 inches (9.4 mm) in diameter. It is designed to operate at a current of 110 mA and a voltage of 500 V, delivering a maximum power output of approximately 1.5 watts. The laser output is collimated and has a beam diameter of approximately 1.5 mm at the tube exit.

The Melles Griot LRH-201 laser tube is constructed using high-quality materials and advanced manufacturing techniques. The glass envelope is made from borosilicate glass, which is known for its excellent thermal properties and resistance to thermal shock. The internal electrodes are made from high-purity materials to ensure optimal electrical conductivity and minimize the formation of unwanted by-products.

This laser tube features a robust and reliable design, with a long-lasting electrode life and a low maintenance requirement. It is also equipped with a built-in pressure relief valve, which ensures safe operation by releasing excess gas pressure if necessary.

The Melles Griot LRH-201 helium-neon laser tube is an excellent choice for various applications, including alignment, interferometry, holography, and laser shows. Its high power, compact size, and long-lasting performance make it a valuable tool for researchers, engineers, and technicians in a wide range of industries.

Melles Griot LRH-201 helium-neon (He-Ne) laser tubes are commonly used in various applications such as alignment, metrology, and scientific research due to their high brightness, long operational life, and stability. Here are some pros and cons of buying this particular laser tube:

1. Long Operational Life: He-Ne laser tubes, including the Melles Griot LRH-201, have a relatively long operational life, typically ranging from 10,000 to 30,000 hours. This makes them a cost-effective solution for applications where continuous operation is required.

2. High Brightness: The Melles Griot LRH-201 laser tube offers a high brightness level, making it suitable for applications where a strong laser beam is necessary. The laser output can be easily focused to achieve high power densities.

3. Stability: He-Ne laser tubes are known for their stability, offering consistent output power and wavelength over extended periods of time. This makes them ideal for applications where precise measurements are required.

4. Low Power Consumption: He-Ne laser tubes typically consume less power compared to other types of lasers, making them an energy-efficient choice.

5. Wide Range of Applications: He-Ne lasers are used in various applications such as alignment, metrology, spectroscopy, holography, and more.

1. Limited Wavelength Range: The Melles Griot LRH-201 He-Ne laser tube emits light at a specific wavelength of 632.8 nanometers. While this wavelength is commonly used in various applications, it may not be suitable for all applications requiring different wavelengths.

2. Sensitivity to Temperature: He-Ne laser tubes are sensitive to temperature changes, which can affect their performance. Proper temperature control is essential to ensure stable and consistent output.

3. Fragile: He-Ne laser tubes are more fragile compared to other types of lasers and require careful handling to avoid damage. They should be transported and installed with care to prevent vibrations and shocks that could potentially damage the tube.

4. Limited Modulation Bandwidth: He-Ne lasers have a limited modulation bandwidth, which may limit their use in applications requiring fast modulation.

5. High Cost: He-Ne laser tubes, including the Melles Griot LRH-201, can be more expensive compared to other types of lasers. This may be a consideration for budget-conscious applications.

The Melles Griot LRH-201 He-Ne laser tube offers several advantages, including its long operational life, high brightness, stability, and low power consumption. However, it also has some limitations, such as a limited wavelength range, sensitivity to temperature, fragility, and high cost. Depending on the specific requirements of your application, the benefits of using a He-Ne laser tube may outweigh the limitations. If you need a laser source with a wavelength other than 632.8 nanometers, or if you require fast modulation, you may want to consider other types of lasers. Overall, the Melles Griot LRH-201 He-Ne laser tube is a reliable and effective choice for applications where its advantages align with your requirements.

If you are looking for a reliable and stable laser source for alignment, metrology, or scientific research applications, and the wavelength of 632.8 nanometers is suitable for your needs, then the Melles Griot LRH-201 He-Ne laser tube is a strong recommendation. Its long operational life, high brightness, and stability make it an excellent choice for applications where precise measurements and long-term performance are essential. However, if your application requires a different wavelength, fast modulation, or a more rugged design, you may want to consider other types of lasers.

Details:

Ships to 48 lower States and Canada. All units measure between 5.5 to 7.65 MW. Four units are available, but priced per unit.

part #: lrh201 prices

• $350.00-$559.99

specifications lablaserphotonicszo:

• brand: Melles Griot
• mpn: Lrh-201
• model: 05 Lrh-201
• part type: Laser Tube
• unit type: Unit
• country/region of manufacture: United States
• intended use/discipline: Biological Laboratory

offer lablaserphotonicszo:

• options: Ship-to-home
• best offers: True
• quantity: 1
• started: May 26, 2025
• availability: In Stock
• sold: 0

payments lablaserphotonicszo:

• credit card: Visa
• other
• wallet: Apple-pay

general lablaserphotonicszo:

• Medical Lab Equipment, Devices > Lab Lasers > Gas Lasers
• condition: New Open box

seller lablaserphotonicszo:

• # reviews: 29
• city: Champlain, New York
• rating: 100.0%

returns lablaserphotonicszo:

• policy: Returns Accepted
• method: Money back
• time: 14 Days
• paid by: Buyer

shipping lablaserphotonicszo:

• transit: 4-8 Days
• cost: $10.41
• service: UPS Ground, FedEx Ground or FedEx Home Delivery
• type: Calculated
• carrier: UPS, FedEx
• class: Standard

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