Gold Flat Mirrors (Circle)

TFG

Gold Flat Mirrors (Circle)
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TFG
Gold (Au) coated reflection mirrors have high reflectance over wide infrared range.
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Name Diameter φD Material Rear Surface Delivery Price Add to cart
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Gold Flat Mirror BK7 25mm Diameter Set of 10
TFG-25C05-10-C
25mm BK7 Polished
6-12 weeks
$489.60
Material BK7
Coating Cr (Chromium)+Au(Gold) 
Parallelism <3′
Surface Quality (Scratch-Dig) 40-20
Clear aperture Circle of 90% of the diameter or Circle that inscribed in a square of 90% of the dimensions
Type Glass Circle
Quantity 10 pieces 1 set
Optics Size φ25mm
Thickness t 5mm
Surface Flatness (Wavelegth 632.8nm) λ/10
Surface Flatness (Convert at 10.6μm) λ/160
Rear surface Polished
i
Gold Flat Mirror BK7 30mm Diameter
TFG-30C05-10
30mm BK7 Polished
2 weeks
$163.20
Material BK7
Coating Cr (Chromium)+Au(Gold) 
Parallelism <3′
Surface Quality (Scratch-Dig) 40-20
Clear aperture Circle of 90% of the diameter or Circle that inscribed in a square of 90% of the dimensions
Type Glass Circle
Quantity 1 piece
Optics Size φ30mm
Thickness t 5mm
Surface Flatness (Wavelegth 632.8nm) λ/10
Surface Flatness (Convert at 10.6μm) λ/160
Rear surface Polished
i
Gold Flat Mirror Single Silicon Crystal 30mm Diameter
TFGS-30C03-2
30mm Single Silicon crystal Ground
6-12 weeks
$571.20
Material Single Silicon crystal
Coating Cr (Chromium)+Au(Gold) 
Parallelism <3′
Surface Quality (Scratch-Dig) 40-20
Clear aperture Circle of 90% of the diameter or Circle that inscribed in a square of 90% of the dimensions
Type Sillcon Circle
Quantity 1 piece
Optics Size φ30mm
Thickness t 3mm
Surface Flatness (Wavelegth 632.8nm) λ
Surface Flatness (Convert at 10.6μm) λ/16
Rear surface Ground
i
Gold Flat Mirror BK7 20mm Diameter
TFG-20C05-10
20mm BK7 Ground
2 weeks
$122.40
Material BK7
Coating Cr (Chromium)+Au(Gold) 
Parallelism <3′
Surface Quality (Scratch-Dig) 40-20
Clear aperture Circle of 90% of the diameter or Circle that inscribed in a square of 90% of the dimensions
Type Glass Circle
Quantity 1 piece
Optics Size φ20mm
Thickness t 5mm
Surface Flatness (Wavelegth 632.8nm) λ/10
Surface Flatness (Convert at 10.6μm) λ/160
Rear surface Ground
i
Gold Flat Mirror BK7 40mm Diameter
TFG-40C06-10
40mm BK7 Polished
2 weeks
$183.60
Material BK7
Coating Cr (Chromium)+Au(Gold) 
Parallelism <3′
Surface Quality (Scratch-Dig) 40-20
Clear aperture Circle of 90% of the diameter or Circle that inscribed in a square of 90% of the dimensions
Type Glass Circle
Quantity 1 piece
Optics Size φ40mm
Thickness t 6mm
Surface Flatness (Wavelegth 632.8nm) λ/10
Surface Flatness (Convert at 10.6μm) λ/160
Rear surface Polished
i
Gold Flat Mirror BK7 25mm Diameter
TFG-25C05-10
25mm BK7 Polished
2 weeks
$142.80
Material BK7
Coating Cr (Chromium)+Au(Gold) 
Parallelism <3′
Surface Quality (Scratch-Dig) 40-20
Clear aperture Circle of 90% of the diameter or Circle that inscribed in a square of 90% of the dimensions
Type Glass Circle
Quantity 1 piece
Optics Size φ25mm
Thickness t 5mm
Surface Flatness (Wavelegth 632.8nm) λ/10
Surface Flatness (Convert at 10.6μm) λ/160
Rear surface Polished
i
Gold Flat Mirror BK7 50mm Diameter
TFG-50C08-10
50mm BK7 Polished
2 weeks
$214.20
Material BK7
Coating Cr (Chromium)+Au(Gold) 
Parallelism <3′
Surface Quality (Scratch-Dig) 40-20
Clear aperture Circle of 90% of the diameter or Circle that inscribed in a square of 90% of the dimensions
Type Glass Circle
Quantity 1 piece
Optics Size φ50mm
Thickness t 8mm
Surface Flatness (Wavelegth 632.8nm) λ/10
Surface Flatness (Convert at 10.6μm) λ/160
Rear surface Polished
i
Gold Flat Mirror Single Silicon Crystal 40mm Diameter
TFGS-40C04-2
40mm Single Silicon crystal Ground
6-12 weeks
$714.00
Material Single Silicon crystal
Coating Cr (Chromium)+Au(Gold) 
Parallelism <3′
Surface Quality (Scratch-Dig) 40-20
Clear aperture Circle of 90% of the diameter or Circle that inscribed in a square of 90% of the dimensions
Type Sillcon Circle
Quantity 1 piece
Optics Size φ40mm
Thickness t 4mm
Surface Flatness (Wavelegth 632.8nm) λ
Surface Flatness (Convert at 10.6μm) λ/16
Rear surface Ground
i
Gold Flat Mirror Single Silicon Crystal 50mm Diameter
TFGS-50C05-2
50mm Single Silicon crystal Ground
2 weeks
$765.00
Material Single Silicon crystal
Coating Cr (Chromium)+Au(Gold) 
Parallelism <3′
Surface Quality (Scratch-Dig) 40-20
Clear aperture Circle of 90% of the diameter or Circle that inscribed in a square of 90% of the dimensions
Type Sillcon Circle
Quantity 1 piece
Optics Size φ50mm
Thickness t 5mm
Surface Flatness (Wavelegth 632.8nm) λ
Surface Flatness (Convert at 10.6μm) λ/16
Rear surface Ground

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◦Chromium (Cr) is used as the undercoated to better reinforce the adhesion of gold to the substrate.
◦ Gold mirrors with silicon substrates have higher durability than glass because gold coating adheres much stronger to silicon and has a higher thermal conductivity. (thermal conductivity of silicon is 111 times better compared to glass)

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