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Round Gold Flat Mirrors

TFG

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Round Gold Flat Mirrors
In stock
SKU
TFG
Gold (Au) coated reflection mirrors have high reflectance over wide infrared range.
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Diameter φD
Material
Rear Surface
Delivery Price Add to cart
details
TFG-25C05-10
25mm BK7 Polished
6-12 weeks
$172.00
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
details
TFG-50C08-10
50mm BK7 Polished
2 weeks
$258.00
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
details
TFG-25C05-10-C
25mm BK7 Polished
6-12 weeks
$588.00
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
details
TFG-30C05-10
30mm BK7 Polished
2 weeks
$196.00
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
details
TFGS-30C03-2
30mm Single Silicon crystal Ground
6-12 weeks
$686.00
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 φ30mm
Thickness t 3mm
Surface Flatness (Wavelegth 632.8nm) λ
Surface Flatness (Convert at 10.6μm) λ/16
Rear surface Ground
details
TFG-20C05-10
20mm BK7 Ground
6-12 weeks
$147.00
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
details
TFG-40C06-10
40mm BK7 Polished
2 weeks
$221.00
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
details
TFGS-40C04-2
40mm Single Silicon crystal Ground
6-12 weeks
$857.00
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
details
TFGS-50C05-2
50mm Single Silicon crystal Ground
2 weeks
$919.00
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)