Gold Flat Mirror / TFG_TFGS

 


Gold (Au) coated reflection mirrors have high reflectance over wide infrared range.

Common Specifications

Material BK7
Hard glass(Pyrex®etc.)
Silicon crysta
Coating Cr(chrome)+Au(Gold)
Parallelism <3′
Surface Quality (Scratch-Dig) 40-20
Clear Aperture 90% of diameter or circle that internally contacts 90% square of diameter
Laser Damage Threshold 1.2kW/cm2(CW laser)

 

Schematic Outline Drawing(Circle) Outline Drawing(Square)

 

Circle
Part Number Diameter
φD
Thickness
t
Surface Flatness Material Rear Surface Quantity
(Wavelegth 632.8nm) (Convert at 10.6μm)
TFG-20C05-10 φ20mm 5mm λ/10 λ/160 BK7 Ground 1 piece
TFG-25C05-10 φ25mm 5mm λ/10 λ/160 BK7 Polished 1 piece
TFG-25C05-10-C φ25mm 5mm λ/10 λ/160 BK7 Polished 10 pieces 1 set
TFG-30C05-10 φ30mm 5mm λ/10 λ/160 BK7 Polished 1 piece
TFG-40C06-10 φ40mm 6mm λ/10 λ/160 BK7 Polished 1 piece
TFG-50C08-10 φ50mm 8mm λ/10 λ/160 BK7 Polished 1 piece

 

Square
Part Number Length
A
Thickness
t
Surface Flatness Material Rear Surface
(Wavelegth 632.8nm) (Convert at 10.6μm)
TFG-20S05-10 □20mm 5mm λ/10 λ/160 BK7 Ground
TFG-25S05-10 □25mm 5mm λ/10 λ/160 BK7 Ground
TFG-30S05-10 □30mm 5mm λ/10 λ/160 BK7 Ground
TFG-50S08-10 □50mm 8mm λ/10 λ/160 Hard glass Polished

 

Gold Silicon Mirrors
Part Number Diameter
φD
Thickness
t
Surface Flatness Material Rear Surface
(Wavelegth 632.8nm) (Convert at 10.6μm)
TFGS-30C03-2 φ30mm 3mm λ λ/16 Silicon crystal Ground
TFGS-40C04-2 φ40mm 4mm λ λ/16 Silicon crystal Ground
TFGS-50C05-2 φ50mm 5mm λ λ/16 Silicon crystal Ground
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