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Gold Flat Mirror / TFGS-40C04-2

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

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Part Number

TFGS-40C04-2

¥77,000

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)

More Information

More Information

Catalog Code

W3011

RoHS

Yes

CE

No

Download Product's Datasheet

Typical Reflectance Data

Guide

Please contact our Sales Division for customized products. (customize outer diameter, etc.)
Pyrex® is a registered trademark of Corning Inc.

Attention

When silicon mirrors are water-cooled, heat dissipates more quickly and they have higher durability.
Since gold coating has an extremely low mechanical strength, extra care should be taken and it is recommended that cleaning of the surface be limited to blowning off the coated surface.
Reflectance of the specification are represented by the average of the reflectance of P polarized light and S polarized light.

Specifications

Material	Single Silicon crystal
Type	Sillcon Circle
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
Laser Damage Threshold	1.2kW/cm²　(CW laser)
Optics Size	φ40mm
Thickness t	4mm
Quantity	1 piece
Surface Flatness (Wavelegth 632.8nm)	λ
Surface Flatness (Convert at 10.6μm)	λ/16
Rear surface	Ground