TECHSPEC® Canopus Reflective Beam Expanders
138 +44 (0) 1904 788600 | Edmund Optics® lenses mirrors windows filters polarizers & waveplates prisms beamsplitters laser optic assemblies
• Broadband Performance for UV, Visible, and Infrared Applications from 250 nm to 10 μm
• λ/10 or λ/8 Wavefront Error
• Easy Mounting with Integrated Alignment Features
Substrate: Aluminum
Surface Roughness (Å): < 50 RMS
Surface Quality: 40-20
Entrance Aperture (mm): 4
Coating Specification:
UV Enhanced Aluminum: Ravg > 89% @ 250 - 450 nm
Ravg > 85% @ 250 - 700 nm
Protected Aluminum: Ravg > 85% @ 400 - 700 nm
Ravg > 70% @ 700 - 2000 nm
Ravg > 97% @ 2 - 12 μm
Bare Gold: Ravg > 94% @ 700 - 800 nm
Ravg > 97% @ 800 - 2000 nm
Ravg > 98% @ 2 - 12 μm
Ultrafast Enhanced Silver: Ravg > 99% @ 600 - 1000 nm
Rs > 99% @ 540 - 1000 nm
Rp > 98,5% @ 730 - 870 nm
GDD (typical): 0 ±20 fs2 @ 600 - 1050 nm
Wavefront Error, P-V:
2X and 3X: ≤λ/10 on-axis for a 1 mm Dia. Input Beam
5X: ≤λ/8 on-axis for a 1 mm Dia. Input Beam
Expansion
Power
Exit
Aperture (mm)
Dimensions
(mm)
UV Enhanced Aluminum
Stock No. Price
2X 8 71 L x 25,4 W x 38,1 H #37-185 €469,00
3X 12 72,6 L x 25,4 W x 38,1 H #37-186 €469,00
5X 20 78,3 L x 25,4 W x 38,1 H #37-188 €469,00
Call For Custom Capabilities and OEM Quantity Pricing
R (%)
95
90
85
80
75
38.1
25.4
Enhanced Aluminum
70
250 300 350 400 450 500 550 600 650
(nm)
Enhanced Aluminum
Length
Ø7.1 25.4
7.0
Exit
Aperture
Entrance
Aperture
UV Enhanced
Aluminum
Units: mm
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