P/N: MCM-AUB-S1000-0100
Bare gold has high reflectance in the near, mid and far IR regions. Gold coating does not oxidize, so it is not necessary to have a protective dielectric overcoat. However, Bare gold layer is soft and easy to be scratched, and can only be cleaned by flow-washing with solvents, or by blowing the surface clean with a low pressure stream of dry air. Durability is greatly enhanced with a protective overcoat.
Protected gold can be cleaned regularly using standard organic solvents. In addition, gold is chemically inert, thus it is well suited for harsh environments, such as DF and HF laser cavities.
BK7 or B270 glass substrates with single-side gold coating
Bare gold coated
Lambda/4 surface flatness
R > 98% 1um to 5um
R > 95% from 800nm to 10um
| Substrate: | B270 optical glass |
| Dimension: | 100.0×100.0,+/-0.2mm |
| Thickness: | 1.0, +/-0.1mm |
| Surface Quality: | Double side fine polished; 60-40 scratch and dig (after coating) |
| Flatness: | < Lamda/4 @ 633nm per 25mm on-jig tested |
| Chamfer: | < 0.2mm x 45 deg |
| Coating: | Single-surface BARE gold coating – WITHOUT protection |
| Reflectivity: | Ravg > 98% from 1um to 5um |
| Clear Aperture: | > 90% of surface |
| Back Surface: | Polished/uncoated |
| Packaging: | Vacuum packaged(sealed) |
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General Specifications
- Substrate Material: BK7 Optical Glass
98% 1um to 5um R > 95% from 800nm to 10um”> - Outer Diameter: 12.7, -0.1/0mm
- Thickness: 6.0, +/-0.1mm
- Surface Quality: Double side fine polished 20-10 S/D; 40-20 S/D(coated)
- Coating: Single side gold coating, SiO protection layer
Pricing Overview (Excl. Taxes & Fees)
- Purchase Qty < 20pcs: S$55.00/pc
- Purchase Qty 20pcs or more: S$45.00/pc
- Purchase Qty 50pcs or more:
Inquire to us for volume pricing
Stock Availability
- Local Singapore Warehouse: 299pcs
- New Batch Process Leadtime: Approx. 3-4weeks; EXW-SIN (T&C Apply)