Concave Mirror Substrate 20mm Diameter 7.5mm Focal Length

TCBS-20C08-15

Coatings on all concave mirror substrate models are available. Pre-coated aluminum concave mirrors are available. These substrates are mainly used as the primary mirror in a reflecting telescope or as reflection mirror of a collimating optical system light-source.
◦Large selection from outer size to radius of curvature is available on our website and in our catalog.
◦Contact our Sales Division for your choice of coating specifications.
More Information
Name Concave Mirror Substrate 20mm Diameter 7.5mm Focal Length
Weight 0.0070kgs
Standard Coatings Available No
Guide
  • For high power lasers use concave substrates (LCBS) suitable for Laser resonator applications.
  • WEB Reference Catalog Code/W3143
Remark -
Attention
  • The back side of the substrate has a ground surface; it is not usable for transmission. For transmission we recommend plano concave lenses (SLB-N).
  • WEB Reference Catalog Code/W3050
  • For cold-mirror or partial reflection application, please contact our Sales Division for a concave mirror on the back side polished.
  • The outer edge of the concave surface is chamfered, the thickness of the edge varies therefore use the back side of the substrate as datum.
Diameter φD 20mm
Focal length 7.5mm
Material BK7
Spherical surface accuracy λ/2
Curvature radius tolerance ±2%
Coating Uncoated
Clear aperture 85% of the diameter
Surface Quality <br> (Scratch-Dig) 20-10
Diameter φD φ20mm
Edge thickness te 8mm
Center thickness tc 4.2mm
Radius of curvature r 15mm
Focal length f 7.5mm
Out of stock
SKU
TCBS-20C08-15
€84.40
Coatings on all concave mirror substrate models are available. Pre-coated aluminum concave mirrors are available. These substrates are mainly used as the primary mirror in a reflecting telescope or as reflection mirror of a collimating optical system light-source.

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