UV Grade Fused Silica Optical Mirrors
Last Updated: April 1, 2025
Description
UV Grade Fused Silica Optical Mirrors are precision optical components designed to reflect ultraviolet (UV) light. They are made from high-grade fused silica, which is known for its exceptional purity and optical clarity. These mirrors are typically coated with specialized films to enhance their reflectivity and performance in the UV spectrum.
Working Principle
UV Grade Fused Silica Optical Mirrors operate by reflecting UV light through a combination of their substrate material and surface coatings. The fused silica substrate provides a stable and homogenous base with excellent thermal properties and low fluorescence, which is crucial for maintaining high reflectivity and minimizing light absorption. The coatings applied to these mirrors, such as dielectric or metallic coatings, are tailored to optimize reflectivity at specific UV wavelengths, ensuring efficient light management and minimal loss.
Applications
These mirrors are widely used in high-power laser systems, such as Nd:YAG and excimer lasers, where precise control of UV light is essential. They are also employed in imaging systems and industrial applications that require high reflectivity and durability under intense UV exposure. Specific examples include laser cutting, medical laser systems, and UV sterilization processes.
Advantages over other Optical Mirrors
UV Grade Fused Silica Optical Mirrors offer several advantages over other types of optical mirrors. They have superior thermal stability and lower thermal expansion compared to materials like N-BK7 or K9 glass, making them ideal for high-power applications. Their high surface quality and accuracy allow them to withstand higher damage thresholds, which is critical in demanding environments. Additionally, their ability to maintain high reflectivity across a broad UV to near-infrared (NIR) range makes them versatile for various optical systems.
Limitations
One limitation of UV Grade Fused Silica Optical Mirrors is their sensitivity to imperfections. Any deviations from specifications or surface defects can lead to increased multiphoton absorption, potentially damaging the mirror. This necessitates precise manufacturing and handling to ensure optimal performance.
Considerations
When selecting UV Grade Fused Silica Optical Mirrors, several factors should be considered. The initial cost can be higher due to the precision required in manufacturing and coating these mirrors. However, their durability and high damage threshold can lead to lower operating expenses over time. Maintenance and replacement costs should also be considered, as any damage or degradation in performance may require specialized repair or replacement. Ensuring the mirrors are used within their specified parameters will help maximize their lifespan and maintain accuracy in optical systems.
from CeNing Optics Co., Ltd.
Metallic Coatings are very broadband and relatively insensitive to incidence angle. They offer good performance at a low price. Although they are most commonly used, metallic reflective coatings are delicate and require crae during cleaning. They are only recommended for low power applications. The... [See More]
- Mirror Materials: BK7 Glass; Pyrex®; Ultra-violet grade Fused Silica; Schott, CDGM Glass
- Wavelength Range: 250 to 800
- Mirror Types: Flat Mirror; Parabolic Mirror (optional feature)
- Diameter/Width: 5 to 76.2
from CeNing Optics Co., Ltd.
Dichroic Mirrors are designed to reflect one wavelength and transmit the other wavelength. The angle of incidence is usually at 0 deg or 45 deg. [See More]
- Mirror Materials: BK7 Glass; Ultra-violet grade Fused Silica
- Diameter/Width: 5 to 76.2
- Mirror Types: Flat Mirror
- Thickness: 0.5000 to 10
from CeNing Optics Co., Ltd.
High Energy Reflective Dielectric Coated Mirrors provide excellent performance over a specific wavelength range. The maximum reflectivity can be up to 99.9% at a specific wavelength and angle of incidence. Dielectric coatings exhibit superior durability and damage resistance. [See More]
- Mirror Materials: BK7 Glass; Ultra-violet grade Fused Silica
- Diameter/Width: 5 to 76.2
- Mirror Types: Flat Mirror
- Thickness: 0.5000 to 10
from Rainbow Research Optics, Inc.
Your One-Stop Source for Laser Optics. Highest Damage Threshold (LDT) Coatings. Laser Quality Substrates. Rainbow Research Optics, Inc. (RROI) specializes in manufacturing standard and custom laser optics for laser systems including CO2, Nd:YAG, and Excimer. RROI can produce high damage thresholds... [See More]
- Mirror Materials: BK7 Glass; Fused Silica; Ultra-violet grade Fused Silica
- Mirror Shape: Round; Rectangular / Square
- Mirror Types: Laser Mirror
- Mirror Coatings: Aluminum; Protected Aluminum; Dielectric; Gold; Protected Gold; Silver
from EKSMA OPTICS
EKSMA OPTICS introduces broadband and laser line dielectric mirrors with high reflectance (greater than 99% over specified range minimum) that operate at all angles of incidence from 0 ° to 45 °. Broadband and laser line mirrors are available for 280-400 nm, 349-355 nm, 400-750 nm, 524-532... [See More]
- Mirror Materials: Ultra-violet grade Fused Silica
- Wavelength Range: 280 to 1100
- Mirror Types: Laser Mirror
- Diameter/Width: 12.7 to 25.4
from Thorlabs, Inc.
At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]
- Mirror Materials: Ultra-violet grade Fused Silica
- Focal Length: 25 to 400
- Mirror Types: Spherical Mirror
- Wavelength Range: 250 to 20000
from Rocky Mountain Instrument/RMI Laser
Mirrors are used in a wide range of beam steering, focusing and collimating applications. Broadband RMAX Mirrors provide high reflectance over a broad spectral range. They are also useful in narrowband applications in which it is necessary to vary the angle of incidence. Substrates are available... [See More]
- Mirror Materials: BK7 Glass; Fused Silica; Ultra-violet grade Fused Silica; Calcium Flouride
- Mirror Shape: Round
- Mirror Types: Flat Mirror; Plano/Convex, Plano/Concave
- Surface Quality: 10-5 Scratch / Dig; 20-10 Scratch / Dig; 40-20 Scratch / Dig
from Spectral Optics
Spectral Optics provide high-quality dielectric coated laser mirrors for use with high power/energy and or ultra-fast lasers from UV to IR spectral ranges. Most dielectric coated laser mirrors that Spectral Optics provide guarantee the state of art damage threshold and the maximum reflectance... [See More]
- Mirror Materials: BK7 Glass; Ultra-violet grade Fused Silica
- Wavelength Range: 248 to 1550
- Mirror Types: Laser Mirror
- Diameter/Width: 12.7 to 50.8
from Shanghai Optics
A Convex Spherical Mirror is a mirror which curves inward away from the incident light. Shanghai Optics produces high quality convex spherical mirrors with a variety of diameters and focal lengths. These precision mirrors are ideal for imaging applications, specifically, for increasing an imaging... [See More]
- Mirror Materials: BK7 Glass; Fused Silica; Optical Crown Glass; Ultra-violet grade Fused Silica
- Mirror Coatings: Enhanced Aluminum; Protected Gold
- Mirror Types: Spherical Mirror
from Daheng New Epoch Technology, Inc.
For High Power Argon-Ion Lasers [See More]
- Mirror Materials: Ultra-violet grade Fused Silica
- Wavelength Range: 244 to 528
- Mirror Types: Laser Mirror
- Diameter/Width: 25.4
from EKSMA OPTICS
Broadband dielectric mirrors provide an optimised broadband performance at stated wavelength ranges. Broadband laser mirrors are designed for applications using Ti:Sapphire, dye, diode and YAG lasers. The achieved high polishing quality is important for low wave front distortion, low scattering and... [See More]
- Mirror Materials: BK7 Glass; Ultra-violet grade Fused Silica
- Wavelength Range: 220 to 1100
- Mirror Types: Laser Mirror
- Diameter/Width: 12.7 to 50.8
from Thorlabs, Inc.
At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]
- Mirror Materials: Copper; Fused Silica; Ultra-violet grade Fused Silica; Zerodur®
- Wavelength Range: 250 to 20000
- Mirror Types: Flat Mirror
- Diameter/Width: 7 to 102
from Rocky Mountain Instrument/RMI Laser
Mirrors are used in a wide range of beam steering, focusing and collimating applications. RMAX Mirrors utilize multi-layer, dielectric thin films. Laser-Line RMAX Mirrors are designed for high reflectance at a single laser wavelength. High power coating designs are standard for select wavelengths. [See More]
- Mirror Materials: BK7 Glass; Fused Silica; Ultra-violet grade Fused Silica; Calcium Flouride
- Mirror Shape: Round
- Mirror Types: Laser Mirror
- Surface Quality: 10-5 Scratch / Dig; 20-10 Scratch / Dig; 40-20 Scratch / Dig
from Spectral Optics
Material: UV fused silica, BK7. Clear Aperture: larger than central 85% of diameter. 1st Surface: λ/10 @633nm over clear aperture, 10-5 Scratch-Dig. 2nd Surface: Commercial polish. Diameter tolerance: +0.000/-0.010" (+0.00/-0.25mm). Thickness tolerance: ±0.010" ( ±0.25mm). [See More]
- Mirror Materials: BK7 Glass; Ultra-violet grade Fused Silica
- Diameter/Width: 12.7 to 102
- Mirror Types: Flat Mirror
- Thickness: 6.35 to 12.7
from Daheng New Epoch Technology, Inc.
ND:YAG Laser Line UV Dielectric HR [See More]
- Mirror Materials: Ultra-violet grade Fused Silica
- Diameter/Width: 25
- Mirror Types: Laser Mirror
- Thickness: 6
from EKSMA OPTICS
Harmonic separators are dichroic beamsplitters used to reflect one wavelength and to transmit the others. Reflectance of >99.5% for the wavelength of interest and transmittance of >90% for the rejected wavelengths. The rear surface of harmonic separators is antireflection coated. Laser Damage... [See More]
- Mirror Materials: BK7 Glass; Ultra-violet grade Fused Silica
- Wavelength Range: 633 to 1064
- Mirror Types: Laser Mirror; Dichronic
- Diameter/Width: 12.7 to 25.4
from Thorlabs, Inc.
At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]
- Mirror Materials: Fused Silica; Ultra-violet grade Fused Silica
- Wavelength Range: 355 to 2250
- Mirror Types: Laser Mirror
- Diameter/Width: 12.7 to 50.8
from Daheng New Epoch Technology, Inc.
UV Dielectric [See More]
- Mirror Materials: Ultra-violet grade Fused Silica
- Diameter/Width: 25.4
- Mirror Types: Laser Mirror
- Thickness: 6