DeLn mirror products include Single Band Dielectric Laser Mirrors,Dual Laser Mirrors,Broadband Mirrors,Laser Output Mirrors,Spherical Mirror ,Output Coupler,Beam Combine,Metal Coated Mirrors,Right Angle Mirrors,Hot mirror,Cold mirror,etc.
1.Dielectric Laser Mirrors - Single Band Mirrors
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Diameter Tolerance (mm)
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+0/-0.1
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Clear Aperture (%)
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>90
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Thickness (mm)
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6
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Thickness Tolerance (mm)
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±0.1
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Surface Accuracy (λ)
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1/10 at 632.8nm
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Surface Quality
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40-20
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Parallelism (arc minutes)
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<3
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Substrate
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UV Fused Silica
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Angle of Incidence (°)
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0 or 45
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Coating
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Dichroic mirror coating on one side, rear side ground
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2.Dielectric Laser Mirrors - Dual Mirrors
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Diameter Tolerance (mm)
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+0/-0.1
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Clear Aperture (%)
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>90
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Thickness Tolerance (mm)
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±0.1
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Surface Accuracy (λ)
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1/10 at 632.8nm
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Surface Quality
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40-20
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Parallelism (arc minutes)
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<3
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Substrate
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UV Fused Silica
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Angle of Incidence (°)
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45
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Coating
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Dichroic mirror coating on one side, rear side ground
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3.Mirror/Beamsplitter
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Substrate
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N-BK7
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Diameter Tolerance (mm)
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+0/-0.1
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Thickness Tolerance (mm)
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±0.1
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Clear Aperture (%)
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>90
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Angle of Incidence (°)
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0 or 45
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Parallelism (arc minutes)
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<1
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Surface Accuracy (λ)
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1/4 for commonly, 1/10 for laser application
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Surface Quality
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60-40 for commonly, 20-10 substrate for laser application
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Coating
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Dichroic mirror coating on one side, rear side AR coated
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4.Dielectric Laser Mirrors - Broadband Mirrors
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Diameter Tolerance (mm)
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+0/-0.1
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Clear Aperture (%)
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>90
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Thickness (mm)
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6
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Thickness Tolerance (mm)
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±0.1
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Surface Accuracy (λ)
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1/10 at 632.8nm
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Surface Quality
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40-20
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Parallelism (arc minutes)
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<3
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Reflectivity
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Ravg>99%
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Angle of Incidence (°)
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0 - 45
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Back Surface
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Ground
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5.Dielectric Laser Mirrors - Laser Output Mirrors
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Diameter x Thickness (mm)
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D12.7 x T3mm+0/-0.1mm; D12.7 x T6.4mm+0/-0.1mm
D20 x T5mm+0/-0.1mm;
D25.4 x T6.35mm+0/-0.1mm; D25.4 x T9.5mm+0/-0.1mm
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Clear Aperture (%)
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>90
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Surface Accuracy (λ)
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1/8 at 632.8nm
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Surface Quality
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40-20
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Parallelism (arc seconds)
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<30
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Angle of Incidence (°)
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0
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Coating:
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S1:Beamsplitter coatings
S2:AR coatings<0.2% at single wavelength
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6.Dielectric Laser Mirrors - Spherical Mirror and Output Coupler
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Diameter x Thickness (mm)
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D10 x T3mm+0/-0.1mm; D12.7 x T3mm+0/-0.1mm
D20 x T5mm+0/-0.1mm;
D25.4 x T6.35mm+0/-0.1mm
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Clear Aperture (%)
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>90
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Surface Accuracy (λ)
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1/8 at 632.8nm
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Surface Quality
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40-20
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Wedge (arc minutes)
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<3
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Output Coupler Coating
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PR coating on S1,
R%= 98±1, 95±2, 90±3, 85±4, 80±5, 70±4, 60±5, 50±5, 30±5, 20±4, 10±3, 5±2
at 1047nm,1053nm,1064nm or Custom wavelength
AR coating on S2,R<0.2% at single wavelength
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Mirror Coating
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HR on S1: R>99.5% for random polarization, Uncoated on S2
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7.Dielectric Laser Mirrors - Beam Combiner
Beam Combiner is ideal for applications where diode lasers are being used for system alignment. they permit the long wavelength beam transmit and align it with the 90 degree reflected diode beam.
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Diameter Tolerance (mm)
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+0/-0.1
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Clear Aperture (%)
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>90
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Thickness Tolerance (mm)
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±0.1
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Surface Accuracy (λ)
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1/4 at 632.8nm
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Surface Quality
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40-20
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Parallelism (arc seconds)
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<10
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Angle of Incidence (°)
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45
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Coating
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AR coating on one side with T>99%, and R>85% on another side
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8.Metal Coated Mirrors
Metallic mirrors are designed for different regions of the spectrum. DeLn Optics offers metallic mirrors capable of providing high reflectance values for applications using wavelengths ranging from 250nm to beyond 10μm. The standard metallic mirror coatings include Protected Aluminum, Enhanced Aluminum, UV Enhanced Aluminum, Protected Gold and Protected Silver.
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Material
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BK7 or UV Fused Silica
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Dimension Tolerance
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+0/-0.1mm
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Thickness Tolerance
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±0.1mm
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Clear Aperture
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>90%
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Flatness
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λ/4 to λ/10 at 632.8nm for flat
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Centration
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<3 arc minutes for Concave face
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Surface Quality
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60/40 scratch and dig
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Coating
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Metal coating on one surface,
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Rear surface ground or inspection polished
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Coating Name
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Wavelength Range
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Reflection Specifications
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Protected Aluminum
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400-700nm
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R(ave) >85%
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Enhanced Aluminum
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450-650nm
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R(ave) >95%
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UV Enhanced Aluminum
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250-700nm
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R(ave) >85%
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Protected Gold
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700-800nm
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R(ave) >94%
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800-10000nm
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R(ave) >95%
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Protected Silver
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500-800nm
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R(ave) >95%
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2000-10000nm
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R(ave) >95%
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9.Right Angle Mirrors
DeLn Optics offers Right Angle Mirrors in a multitude of reflective coating options, choosing the proper reflective coating option ensures high reflectivity of the needed wavelength or wavelength range.
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Material
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BK7 or UV Fused Silica
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Dimension Tolerance
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+0/-0.1mm
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Thickness Tolerance
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±0.1mm
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Clear Aperture
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>90%
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Flatness
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λ/8 at 632.8nm
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Angle Tolerance
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<3 arc minutes
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Surface Quality
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40/20 scratch and dig
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Bevel
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0.3mm x 45°
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External Reflectance:
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Reflective coating on hypotenuse, two legs inspection polished
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Or Reflective coating on two legs, the hypotenuse inspection polished
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Internal Reflectance
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Reflective coating on hypotenuse and black over paint, two legs AR coated
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10.Hot Mirrors
These 0° and 45° angle of incidence Hot Mirrors are perfect for decreasing the undesirable heat caused by infrared radiation. The multi-layer dielectric coating transmits 85% of visible light while reflecting over 90% of the NIR and IR.
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AOI
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0°or 45°
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Material
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Float Glass or N-BK7 or UV Fused Silica
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The reflection
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> 90% - 95% at 800-1200nm
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The transmission
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> 85% - 90% at 450-650nm
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Wavelength Range
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350-2000nm
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Application
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Rear Projection, Digital Projection Apparatus, Digital Camera, and CCD Imaging Detection System.
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10.Cold Mirrors
These 0° and 45° angle of incidence Cold Mirrors are ideal for decreasing the undesirable heat caused by infrared radiation. The multi-layer dielectric coating reflects 90% of visible light while transmitting over 85% of the NIR and IR.
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AOI
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0°or 45°
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Material
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Float Glass or N-BK7 or UV Fused Silica
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The reflection
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> 90% at 450-650nm
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The transmission
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> 90% in 800-1200nm
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Wavelength Range
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350-2000nm
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