C-lens is specially designed for fiber optics used in collimators, isolators, switches,
collimator arrays and laser assemblies. Compared to other gradient index
lenses, C-lens has many advantages including low cost, low insertion loss in long
working distance and a wide working distance range. With our experienced optical
design engineers, we also provide designing services of C-lenses according customers'
requirements. Our standard products list is on our website and catalog.
Our standard C-lens specifications:
Lens material: SHOTT SF11
Transmission: >99% (900-1,700nm)
Polarization preservation: 0.99
Thermal expansion coefficient: <6 x 10
-6/°C
Max. operating temperature: 400°C
Hygroscopic susceptibility: no
Acid and alkaline resistance: excellent
Power handing: >1W
Diameter tolerance: +0.005mm, -0.01mm for 1.8mm f to 4.0mm f; +0.0mm and -0.01mm
for 1.0mm f
Diameter range: ≥D1.0mm
Length tolerance: ± 0.03mm
Wedge tolerance: ± 03°
Surface quality: 40-20 scratch and dig
Coating: R<0.25% at (design wavelength) ±40nm
Mass production, low cost, low insertion loss, high return loss
We can supply design services for specially required C-lenses.
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