Accuflect Ceramic Laser Light Reflectors
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United States
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On FindLight:
since 2017
Description
Accuflect® Ceramic Laser Reflectors Accuflect® ceramic laser reflectors are engineered to deliver high efficiency and nearly perfect diffuse reflection. These reflectors are specifically designed to enhance performance in laser systems, particularly those with laser hosts operating within the 500 nm to 1200 nm spectral range. The unique properties of Accuflect® reflectors make them an integral component for optimizing light management in various laser applications.
There are two distinct grades of Accuflect® ceramic available for laser reflectors: Accuflect® B6 and Accuflect® G6. Accuflect® B6 features a native ceramic surface, characterized by approximately 30% porosity, which ensures nearly perfect lambertian reflectance with minimal absorption losses. This makes it ideal for dry cavity laser applications, such as low energy air-cooled systems or high-energy systems where the reflector is isolated from liquid coolants using o-ring sealed flow tubes. Accuflect® G6, on the other hand, boasts a glazed surface that is impervious to coolants and their potential contaminants. This makes it particularly suitable for compact, high-energy flooded cavity laser heads.
The glazed surface provides approximately 4% specular reflectance when measured at an 8° angle from normal, which is significantly reduced in flooded cavities due to the refractive index match between the coolant and the glazed surface. Accuflect® laser reflectors offer numerous advantages over traditional PTFE polymer reflectors, polished metal specular reflectors, and packed powder diffuse reflectors. These include highly efficient reflection that reduces the need for precision focusing reflectors, a uniform light field that ensures a consistent output beam profile, and the elimination of hot spots, which can reduce Amplified Spontaneous Emission (ASE). Additionally, the robust ceramic material is resistant to breakage, corrosion, and damage from surface contaminants, ensuring durability and reliability in demanding environments.
Accuflect Ceramic Laser Light Reflectors
Specifications |
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|---|---|
| Material: | Ceramic |
| Type Of Ceramic: | Unglazed, Glazed |
| Component Type: | Reflectors, Insulators, Isolators |
| Porosity: | 30% |
| Spectral Range: | 500 nm to 1200 nm |
| Specular Reflectance: | 4% |
| Measurement Angle: | 8° from normal |
Features
- High Efficiency Reflection: Accuflect® laser reflectors provide highly efficient diffuse reflection, eliminating the need for high accuracy focusing reflectors.
- Uniform Light Field: Ensures a highly uniform light field within the cavity, resulting in a more consistent output beam profile.
- Reduction of Hot Spots: Diffuse light minimizes hot spots in the laser host, reducing Amplified Spontaneous Emission (ASE) in specular cavities.
- Durable Ceramic Material: The ceramic material is strong and tough, resisting breakage even if a flashlamp explodes.
- Corrosion Resistant: Glazed surfaces are resistant to corrosion, allowing direct contact with coolants and facilitating the implementation of flooded cavities, making laser heads simpler, more compact, and cost-effective.
- Dimensional Stability: Accuflect® is dimensionally stable and will not cold flow like polymers, ensuring long-term reliability.
- Resistant to Surface Contaminants: Not susceptible to localized catastrophic damage from surface contaminants absorbing radiation.
- Cost-Effective Solutions: Allows for the use of lower-cost ground or grooved laser crystals in diffuse cavities, reducing overall system costs.
Applications
- Dry Cavity Laser Systems: Ideal for air-cooled or o-ring sealed flow tube designs.
- Flooded Cavity Laser Heads: Suitable for compact, high-energy systems with coolant contact.
- Scientific and Industrial Lasers: Enhances efficiency in pump chambers with diffuse reflection.
- Thermophotovoltaic Systems: Provides high-temperature diffuse reflection for energy conversion.
- Intense Pulsed Light (IPL) Systems: Improves uniformity in high-intensity light applications.
- Solar Cell Manufacturing: Supports infrared and NIR reflectance in high-temperature processes.
Frequently Asked Questions
Accuflect ceramic laser reflectors are high efficiency diffuse reflectors used in laser systems with laser hosts having pump bands in the 500 nm to 1200 nm spectral range.
The features of Accuflect ceramic laser reflectors include highly efficient reflection, highly uniform light field within the cavity resulting in a more uniform output beam profile, diffuse light eliminating hot spots in the laser host of specular cavities reducing Amplified Spontaneous Emission (ASE), and glazed surfaces that are corrosion resistant, allowing direct contact with coolants.
Accuflect B6 has a native ceramic surface and is approximately 30% porous, while Accuflect G6 has a glazed surface that is impervious to coolants and contaminants. Accuflect B6 is suited for dry cavity laser applications, while Accuflect G6 is well suited for use in compact, high energy flooded cavity laser heads.
Accuflect laser reflectors reduce and eliminate many of the shortcomings of PTFE polymer reflectors, polished metal specular reflectors, and packed powder diffuse reflectors with a number of desirable characteristics, including highly efficient reflection, highly uniform light field within the cavity, and diffuse light that eliminates hot spots in the laser host.
Lower cost ground or grooved laser crystals can be used in diffuse cavities with Accuflect laser reflectors, which reduce the potential for parasitic oscillations.