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Anti-Reflecion Filters
Anti-Reflection Filters (AR Coated Windows & Optics)
Anti-reflection (AR) filters (commonly referred to as AR coating glass, AR films, or optical broadband anti-reflective windows) are precision optical components engineered with thin-film coatings to minimize surface reflection and maximize optical throughput across target spectral bands.
Functions:
Uses multi-layer inorganic dielectric interference stacks (PVD-EBGE) deposited on optical substrates to suppress reflection loss per glass surface from ~4% down to under 0.5% (or <0.2% for narrow V-coatings). This significantly boosts visible/infrared optical transmittance ($T \ge 98\%–99\%$), eliminates secondary ghost images, enhances signal-to-noise ratio, and mitigates internal stray light reflections.
Applications:
Camera lenses
Barcode scanners
Laser window covers
Display protective glass
Machine vision inspection
Military/aerospace sensor windows
High-precision optical instruments
#AR-W #ARIR #ARIR2
#ARIR3 #Information and Notes
ITEM NO: AR94S (Single side AR Coating)
Spectral Characteristics
Tave>94% @ 420-680nm
Physical Characteristics
Glass: 0.4, 0.55, 0.7, 1.1mm
Square: 3x3 - 220x20mm
Round: Dia3 - 210mm
Resistant Temperature
Glass: 150℃
ITEM NO: AR94D (Dual side AR Coating)
Spectral Characteristics
Tave>94% @ 420-680nm
Physical Characteristics
Glass: 1.1, 2, 3mm
Tempered glass: 2, 3, 4, 5mm
Square: 8x8 - 350x406mm
Round: Dia8 - 340mm
Resistant Temperature
Glass: 150℃
Tempered Glass: 250℃
ITEM NO: AR98 (Dual side Mutil-Layers AR Coating)
Spectral Characteristics
Tave>94% @ 420-680nm
Physical Characteristics
Glass: 0.4, 0.55, 0.7, 1.1, 2, 3mm
Tempered glass: 2, 3, 4, 5mm
Square: 8x8 - 3550x406mm
Round: Dia8 - 340mm
Resistant Temperature
Glass: 150℃
Tempered Glass: 250℃
ITEM NO:AR-W (wide AR coating)
Spectral Characteristics
Tave>94% @ 420-680nm
Physical Characteristics
Glass: 0.4, 0.55, 0.7, 1.1, 2, 3mm
Tempered glass: 2, 3, 4, 5mm
*The spectral curve varies with the thickness of glass..
Square: 8x8 - 3550x406mm
Round: Dia8 - 340mm
Resistant Temperature
Glass: 150℃
Tempered Glass: 250℃
ITEM NO:ARIR (for NIR)
Spectral Characteristics
Tave>98% @ 800-1064nm
Physical Characteristics
B270: 1.1, 2.0, 3.0mm
D263t: 0.3, 0.55, 0.7mm
Square: 8x8 - 220x220mm
Round: Dia8 - 210mm
Resistant Temperature
B270: 150℃
D263t: 350℃
ITEM NO:ARIR2 (for red and infrared)
Spectral Characteristics
Tave>98% @ 600-1000nm
Physical Characteristics
B270: 1.1, 2.0, 3.0mm
D263t: 0.3, 0.55, 0.7mm
Square: 8x8 - 220x220mm
Round: Dia8 - 210mm
Resistant Temperature
B270: 150℃
D263t: 350℃
ITEM NO:ARIR3 (for VIS-NIR)
Spectral Characteristics
Tave>96% @ 420-900nm
Tave>98% @ 900-100nm
Physical Characteristics
B270: 1.1, 2.0, 3.0mm
D263t: 0.3, 0.55, 0.7mm
Square: 8x8 - 220x220mm
Round: Dia8 - 210mm
Resistant Temperature
B270: 150℃
D263t: 350℃
Information and Notes
1. Anti-reflection (AR) filters feature precision thin-film dielectric coatings comprising 2 to 16 layers vacuum-deposited on optical glass substrates to minimize surface Fresnel reflection loss and maximize total light transmittance.
2. Manufactured using high-vacuum Physical Vapor Deposition with Electron Beam Gun Evaporation (PVD-EBGE) technology, ensuring exceptional thin-film packing density, environmental durability, and high thermal resistance.
3. Spectral transmittance curves represent measurements captured at normal incidence (0° angle of incidence).
4. Transmittance curves reflect actual sample measurement data and are subject to minor operational tolerances between manufacturing production runs while remaining within target optical specifications.
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