λ/4 Optical Mirrors
Last Updated: April 1, 2025
Description
?/4 Optical Mirrors are specialized optical components designed to reflect light with high precision. These mirrors are characterized by their ability to manipulate light waves at a quarter of their wavelength, which is crucial for achieving specific optical effects and enhancing the performance of optical systems.
Working Principle
The working principle of ?/4 Optical Mirrors involves the manipulation of light waves to achieve constructive or destructive interference. By reflecting light at a quarter of its wavelength, these mirrors can effectively control the phase of the reflected light. This capability is particularly useful in applications requiring precise control over light propagation, such as in interferometry and laser systems. The ability to manage light waves at such a fine scale makes these mirrors invaluable for achieving high precision in optical systems.
Applications
While specific applications of ?/4 Optical Mirrors are not detailed in the provided documents, these mirrors are typically used in high-precision optical systems. They are likely employed in scientific research, laser technology, and optical instrumentation where precise control over light reflection and phase is critical.
Advantages over other Optical Mirrors
The primary advantage of ?/4 Optical Mirrors over standard optical mirrors lies in their ability to manipulate light at a quarter of its wavelength. This allows for enhanced control over light interference and phase, which is not possible with conventional mirrors. This capability is crucial for applications requiring high precision and accuracy in light manipulation.
Limitations
The documents do not provide specific limitations for ?/4 Optical Mirrors. However, general limitations of optical mirrors, such as susceptibility to surface defects and environmental conditions, may apply. These factors can affect the performance and longevity of the mirrors.
Considerations
While specific considerations for ?/4 Optical Mirrors are not detailed in the documents, general considerations for optical mirrors include initial costs, operating expenses, durability, accuracy, and maintenance. The precision required for ?/4 mirrors may result in higher initial costs and maintenance requirements compared to standard mirrors. Durability and accuracy are critical factors, as any surface defects can significantly impact performance. Regular maintenance and careful handling are essential to ensure optimal functionality and longevity.
from Newport MKS
The 10DC200AL.2 UV enhanced aluminum concave mirror is used for focusing, collecting, and imaging with no chromatic aberration. This mirror can be used to manipulate laser beams or other broadband sources. This family of mirrors are available in three sizes, 12.7, 25.4, and 50.8 mm diameter, with... [See More]
- Surface Flatness: λ/4
- Wavelength Range: 250 to 600
- Focal Length: 100
- Diameter/Width: 25.4
from CASTECH, Inc.
S2 surface Ground [See More]
- Surface Flatness: λ/4
- Diameter/Width: 6.35 to 12.7
- Mirror Types: Flat Mirror
- Thickness: 3.18
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]
- Surface Flatness: λ/4
- Wavelength Range: 250 to 800
- Mirror Types: Flat Mirror; Parabolic Mirror (optional feature)
- Diameter/Width: 5 to 76.2
from Newport MKS
The 10Q20UF.35P Super-Broadband Turning Mirrors is ideal for use with ultrashort pulses lasers as a high reflectance mirror at 45 ° angle of incidence for a very broadband wavelength range spanning almost 400 nm. Designed to reflect over 99.6% from 680 to 1060 nm, this mirror can be used with... [See More]
- Surface Flatness: λ/4
- Diameter/Width: 25.4
- Wavelength Range: 680 to 1060
- Thickness: 6
from CASTECH, Inc.
S2 surface Ground [See More]
- Surface Flatness: λ/4
- Diameter/Width: 12.7
- Mirror Types: Flat Mirror
- Thickness: 3.18
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]
- Surface Flatness: λ/4; λ/8
- 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]
- Surface Flatness: λ/4; λ/8
- Diameter/Width: 5 to 76.2
- Mirror Types: Flat Mirror
- Thickness: 0.5000 to 10
from Edmund Optics Inc.
Available in a Wide Range of Sizes and Shapes. Precision Metallic Mirror Coatings. Contact Us for Custom Sizes. TECHSPEC ® 1/4 λ First Surface Mirrors are ideal for a wide range of applications. To meet specific application needs, these mirrors are offered in a wide variety of shapes,... [See More]
- Surface Flatness: λ/4
- Thickness: 15
- Mirror Types: Flat Mirror
- Mirror Materials: Pyrex®
from Specialty Components, Inc.
These flat first-surface Aluminum mirrors are useful in reflecting light in the infrared range. Guaranteed at ½, ¼ or 1/8 waveform accuracy with <16nm Ra surface finish. Select from protected Aluminum, protected Gold or untreated coatings combined with your choice of size and... [See More]
- Surface Flatness: λ/4
- Diameter/Width: 25.4
- Mirror Types: Flat Mirror
- Thickness: 9.52
from Hangzhou Shalom Electro-optics Technology Co., Ltd.
Features: • Off-the-shelf and custom mirrors available. • Coating options: Enhanced Al, Protective Ag and Protective Au. • Flatness λ/10 and λ/4 options available. Shalom EO ’s N-BK7 Metallic Mirrors consist of N-BK7 substrates and Enhanced Al/Protective Ag /Protective... [See More]
- Surface Flatness: λ/4
- Thickness: 3
- Diameter/Width: 12.7
- Mirror Materials: BK7 Glass; BK7
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]
- Surface Flatness: λ/4; λ/20; lambda/40
- Mirror Shape: Round
- Mirror Types: Flat Mirror; Plano/Convex, Plano/Concave
- Mirror Materials: BK7 Glass; Fused Silica; Ultra-violet grade Fused Silica; Calcium Flouride
from ECOPTIK (CHANGCHUN) LTD
BRD Optical provide the round, square and customized shape mirrors with a protected Al coating and UV Enhanced Al coating in various sizes. [See More]
- Surface Flatness: λ/2; λ/4; λ/5; λ/8; λ/10
- Mirror Shape: Round
- Thickness: 1 to 20
- Mirror Materials: BK7 Glass; Fused Silica; Silica
from OptoSigma Corp.
It is a mirror of aluminum coating on one side of the substrate. As a line up, there are mirrors of large size of 200mm or more. — ¦For visible and near-infrared light applications. — ¦For large aperture optical system. [See More]
- Surface Flatness: λ/4; λ/5; 4 - 6?
- Wavelength Range: 400 to 700
- Mirror Types: Flat Mirror
- Diameter/Width: 200 to 300
from UNI OPTICS(Fujian) Co., Ltd
1 、What Metallic Coated types can Uni-Optics supply?. Uni-Optics mainly offers four coating types, including: 1) UV Enhanced Aluminum : Ravg > 85% from 250nm to 400nm. 2) Protected Aluminum: Ravg > 87% from 400nm to 800nm. 3) Protected Silver: Ravg > 95% from 400nm to 20um. 4)... [See More]
- Surface Flatness: λ/4
- Mirror Shape: Rectangular / Square
- Mirror Types: Flat Mirror
- Mirror Materials: BK7 Glass
from Knight Optical (UK) Ltd
These are precision grade mirrors but not as expensive as the λ/10 versions. Used in many scientific instruments where quality is important but the use of the λ/10 versions cannot be justified. We stock ¼ wave plane mirrors in a wide range of coatings to meet most applications:... [See More]
- Surface Flatness: λ/4
- Thickness: 3
- Wavelength Range: 180 to 650
- Mirror Materials: BK7 Glass
from HG Optronics, Inc.
HG Optronics.,INC. can provide Metal Coated Mirror ，Dielectric Coated Mirror and Dichroic Mirror which are made of substrate such as BK7, Optical glass, Fused Silica, CaF2 and so on. 1.1. What Metallic Coated types can HG OPTRONICS supply?. HG OPTRONICS mainly offers four coating types,... [See More]
- Surface Flatness: λ/4; λ/4 per 25mm@633nm
- Mirror Shape: Round
- Wavelength Range: 200 to 2500
- Mirror Materials: BK7 Glass; Fused Silica; Pyrex®
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]
- Surface Flatness: λ/4
- Focal Length: 9.5 to 500
- Mirror Types: Spherical Mirror
- Wavelength Range: 450 to 20000
from Qioptiq
Standard aluminium mirrors for the spectral ranges VIS to IR up to 10 µm or UV to 3 µm, respectively. High reflection within a broad spectral and angle-of-incidence range. Protected by an SiO2 overcoating (RAL)or MgF2 protective overcoating for the UV-region (RAL UV). Low expansion... [See More]
- Surface Flatness: λ/2; λ/4; λ/10; 1, 2, 4
- Diameter/Width: 10 to 100
- Wavelength Range: 230 to 700
- Thickness: 2 to 10
from Ross Optical Industries
These first-surface elliptical flat mirrors are suitable for applications which require bending/folding light at precise angles with minimum wavefront distortion. Although they are typically offered with protected aluminum mirror coating, other coatings are available on request. Other sizes can be... [See More]
- Surface Flatness: λ/4
- Diameter/Width: 17.96
- Mirror Types: Flat Mirror
- Thickness: 3.81
from Daheng New Epoch Technology, Inc.
This design provides better performance than the protected aluminum coating with an average of about 92% reflection in the visible spectrum. The coating incorporates the use of a dielectric stack on the aluminum, which provides better resistance to abrasion than the raw metal [See More]
- Surface Flatness: λ/4
- Mirror Shape: Round
- Thickness: 4 to 15
- Mirror Materials: BK7 Glass
from Specialty Components, Inc.
These spherical first-surface Aluminum mirrors are useful in reflecting light in the infrared range. Guaranteed at ½, ¼ or 1/8 waveform accuracy with <16nm Ra surface finish. Select from protected Aluminum, protected Gold or untreated coatings combined with your choice of size and... [See More]
- Surface Flatness: λ/4
- Diameter/Width: 25.4
- Mirror Types: Spherical Mirror
- Thickness: 9.65
from Hangzhou Shalom Electro-optics Technology Co., Ltd.
Features: • Off-the-shelf and custom mirrors available. • Coating options: Enhanced Al, Protective Ag and Protective Au. • Flatness λ/10 and λ/4 options available. Shalom EO ’s N-BK7 Metallic Mirrors consist of N-BK7 substrates and Enhanced Al/Protective Ag /Protective... [See More]
- Surface Flatness: λ/4
- Thickness: 3
- Diameter/Width: 12.7
- Mirror Materials: BK7 Glass; BK7
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]
- Surface Flatness: λ/4; λ/20; lambda/40
- Mirror Shape: Round
- Mirror Types: Laser Mirror
- Mirror Materials: BK7 Glass; Fused Silica; Ultra-violet grade Fused Silica; Calcium Flouride
from ECOPTIK (CHANGCHUN) LTD
The reflector, as the name suggests, was born to meet people's requirements for light reflection. It is an optical element that uses the law of light reflection. Optical mirrors generally include spherical mirrors/reflectors, flat mirrors and aspheric mirrors. But basically it is through optical... [See More]
- Surface Flatness: λ/2; λ/4; λ/5; λ/8; λ/10
- Diameter/Width: 300
- Mirror Types: Reflector; Dielectric, Metallic
- Mirror Shape: Custom
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]
- Surface Flatness: λ/4
- Focal Length: 7.5 to 260
- Mirror Types: Parabolic Mirror
- Second Focal Length: 15 to 152
from Qioptiq
For high-power / high-energy laser applications. Polished back surface. Extreme low scattering losses. Mirror with dielectric VUV High-power coating. Beam steering mirror for 45 ° angle of incidence, 90 ° beam deflection. Flatness λ / 4. Front surface RMS ≤ 1 nm polished. CaF2... [See More]
- Surface Flatness: λ/4
- Wavelength Range: 157
- Mirror Types: Laser Mirror
- Diameter/Width: 25
from Ross Optical Industries
Mirrors can be in a variety of shapes and sizes. Our catalog shows only flat round and square mirrors. Other shapes, sizes and surface curvatures can be made for your special application. [See More]
- Surface Flatness: λ/4
- Diameter/Width: 12.5
- Mirror Types: Flat Mirror
- Thickness: 6
from Daheng New Epoch Technology, Inc.
These are precision flat mirrors with a metallic gold coating. The gold layer is protected both underneath and above with dielectric layers which ensures good adhesion to the substrate and allows cleaning by normal laboratory methods. These mirrors have very high reflectivity from 0.65 microns... [See More]
- Surface Flatness: λ/4
- Diameter/Width: 20 to 40
- Mirror Types: Laser Mirror
- Thickness: 4
from Hangzhou Shalom Electro-optics Technology Co., Ltd.
Features: • Off-the-shelf and custom mirrors available. • Coating options: Enhanced Al, Protective Ag and Protective Au. • Flatness λ/10 and λ/4 options available. Shalom EO ’s N-BK7 Metallic Mirrors consist of N-BK7 substrates and Enhanced Al/Protective Ag /Protective... [See More]
- Surface Flatness: λ/4
- Thickness: 12
- Diameter/Width: 50.8
- Mirror Materials: BK7 Glass; BK7
from ECOPTIK (CHANGCHUN) LTD
A dielectric mirror, also known as a Bragg mirror, is a type of mirror composed of multiple thin layers of dielectric material, typically deposited on a substrate of glass or some other optical material. By careful choice of the type and thickness of the dielectric layers, one can design an optical... [See More]
- Surface Flatness: λ/2; λ/4; λ/5; λ/8; λ/10
- Thickness: 1 to 20
- Mirror Types: Flat Mirror; Spherical Mirror; Cylinder, Customized
- Mirror Materials: BK7 Glass; Fused Silica; Silica
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]
- Surface Flatness: λ/2; λ/4; λ/8; λ/10; λ/20; ?/6
- Wavelength Range: 355 to 2250
- Mirror Types: Laser Mirror
- Diameter/Width: 12.7 to 50.8
from Ross Optical Industries
Mirrors can be in a variety of shapes and sizes. Our catalog shows only flat round and square mirrors. Other shapes, sizes and surface curvatures can be made for your special application. [See More]
- Surface Flatness: λ/4
- Diameter/Width: 12.5
- Mirror Types: Flat Mirror
- Thickness: 6
from Hangzhou Shalom Electro-optics Technology Co., Ltd.
Features: • Off-the-shelf and custom mirrors available. • Coating options: Enhanced Al, Protective Ag and Protective Au. • Flatness λ/10 and λ/4 options available. Shalom EO ’s N-BK7 Metallic Mirrors consist of N-BK7 substrates and Enhanced Al/Protective Ag /Protective... [See More]
- Surface Flatness: λ/4
- Thickness: 12
- Diameter/Width: 50.8
- Mirror Materials: BK7 Glass; BK7
from ECOPTIK (CHANGCHUN) LTD
BRD Optical provide the round, square and customized shape mirrors with a protected gold coating in various sizes. Protected gold is ideal for use in the IR wavelength range. A protective dielectric overcoat is layered over the gold to help protect it from damage and make cleaning easier. These... [See More]
- Surface Flatness: λ/2; λ/4; λ/5; λ/8; λ/10
- Thickness: 1 to 20
- Wavelength Range: 800 to 20000
- Mirror Shape: Round
from Hangzhou Shalom Electro-optics Technology Co., Ltd.
Features: • Off-the-shelf mirrors available. • Made of Corning UV grade Fused Silica. • Coating options: Enhanced Al, Protective Ag and Protective Au. • Flatness option: λ/10 and λ/4. Shalom EO ’s UV Fused Silica Metallic Mirrors consist of UV Fused Silica... [See More]
- Surface Flatness: λ/4; λ/10
- Mirror Coatings: Enhanced Aluminum; Protected Gold; Silver; Enhanced Al, Protective Ag and Protective Au
from ECOPTIK (CHANGCHUN) LTD
The scanning mirror applications include ultra-high dynamic, low inertia scanning mirrors for laser processing, streak cameras, LIDAR, security, sensing and targeting applications, where the enhanced flexural strength, homogeneity, high resonant frequencies, ultra-low inertia, and optical surface... [See More]
- Surface Flatness: λ/4; λ/10
- Wavelength Range: 266 to 1064
- Mirror Types: Laser Mirror
- Mirror Materials: BK7 Glass; Fused Silica; Silica
from Hangzhou Shalom Electro-optics Technology Co., Ltd.
Features: • Off-the-shelf mirrors available. • Made of Corning UV grade Fused Silica. • Coating options: Enhanced Al, Protective Ag and Protective Au. • Flatness option: λ/10 and λ/4. Shalom EO ’s UV Fused Silica Metallic Mirrors consist of UV Fused Silica... [See More]
- Surface Flatness: λ/4; λ/10
- Thickness: 3
- Diameter/Width: 12.7
- Mirror Materials: C7980