TECHSPEC® λ/40 Laser Grade Aspheric Lenses
90 +44 (0) 1904 788600 | Edmund Optics® mirrors windows filters polarizers & waveplates prisms beamsplitters laser optic assemblies lenses
• λ/40 Aspheric Surface Figure Error (RMS)
• Strehl Ratio > 0,8
• Laser Line V-Coats with < 0,25% Reflection
Substrate: Fused Silica
Asphere Figure Error (RMS): λ/40
Clear Aperture: Diameter - 4 mm
Surface Quality: 10-5
Diameter Tolerance (mm): +0,00/-0,05
Center Thickness Tolerance (mm): ±0,1
Centering (arcmin): < 1
Coating Specification: Rabs < 0,25% @ DWL
Damage Threshold, Reference (J/cm2):
355 nm: 7,5 @ 20 ns, 20 Hz
532 nm: 10 @ 20 ns, 20 Hz
1064 nm: 15 @ 20 ns, 20 Hz
1.75
1.5
1.25
1
0.75
0.5
0.25
0
355nm Laser V-Coat
355nm V-Coat
532nm Laser V-Coat
532nm V-Coat
1064nm Laser V-Coat
1064nm V-Coat
960 990 1020 1050 1080 1110
R (%)
(nm)
1.75
1.5
1.25
1
0.75
0.5
0.25
0
260 280 300 320 340 360 380 400 420 440
R (%)
(nm)
1064 nm 532 nm 355 nm
Diameter
(mm)
Effective
Focal Length
(mm)
Back
Focal Length
(mm)
Center
Thickness
(mm)
Edge
Thickness
(mm)
Strehl
Ratio
355 nm
Stock No. Price
25,4 50,8 45,39 7,98 4,54 > 0,8,
by design #39-556 €650,00
50,8 101,6 97,96 10,98 4,11 > 0,8, by
design #39-563 €850,00
Call For Custom Capabilities and OEM Quantity Pricing
1.75
1.5
1.25
1
0.75
0.5
0.25
0
430 450 470 490 510 530 550 570 590 610
R (%)
(nm)
Diameter
(mm)
Effective
Focal Length
(mm)
Back
Focal Length
(mm)
Center
Thickness
(mm)
Edge
Thickness
(mm)
Strehl
Ratio
532 nm
Stock No. Price
25,4 50,8 45,36 7,90 4,40 > 0,8, tested #39-558 €750,00
50,8 101,6 93,95 11,20 4,10 > 0,8, tested #39-565 €995,00
Call For Custom Capabilities and OEM Quantity Pricing
Diameter
(mm)
Effective
Focal Length
(mm)
Back
Focal Length
(mm)
Center
Thickness
(mm)
Edge
Thickness
(mm)
Strehl
Ratio
1064 nm
Stock No. Price
25,4 50,8 45,03 8,40 4,70 > 0,8, tested #39-560 €750,00
50,8 101,6 94,70 10,00 2,69 > 0,8, tested #39-567 €995,00
Call For Custom Capabilities and OEM Quantity Pricing
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