25mm Dia. x 500mm FL, VIS 0° Coated, UV Double-Convex Lens

Diameter (mm):

25.00 +0.0/-0.025

Back Focal Length BFL (mm):

498.85

Effective Focal Length EFL (mm):

500.00

Coating:

VIS 0° (425-675nm)

Coating Specification:

R_avg ≤0.4% @ 425 - 675nm

Fused Silica

Surface Quality:

40-20

Power (P-V) @ 632.8nm:

1.5λ

Irregularity (P-V) @ 632.8nm:

λ/4

Centering (arcmin):

Bevel:

Protective bevel as needed

Center Thickness CT (mm):

3.35

Center Thickness Tolerance (mm):

±0.10

Edge Thickness ET (mm):

3.01

Radius R₁=-R₂ (mm):

457.93

Clear Aperture CA (mm):

24.00

f/#:

20.00

Focal Length Specification Wavelength (nm):

587.6

Focal Length Tolerance (%):

±1

Numerical Aperture NA:

0.03

Type:

Double-Convex Lens

Typical Energy Density Limit:

5 J/cm² @ 532nm, 10ns

Wavelength Range (nm):

425 - 675

Regulatory Compliance

RoHS 2015:

Compliant

Reach 211:

Compliant

Product Family Description

Positive Focal Lengths for Imaging Applications
Wavelength Range of 200 - 2200nm
Variety of AR Coating Options Available

These high performance optical elements are manufactured utilizing state of the art CNC equipment. Zygo’s GPI-XP Interferometer is used to assure the surface accuracy and performance of these optics. UV Grade lenses are precision manufactured using research-grade synthetic fused silica. In addition to providing excellent transmission characteristics and higher operating temperatures, synthetic fused silica lenses also exhibit an exceptional inclusion specification and chemical purity. These lenses make a superior choice for many laser and imaging applications, particularly those involving ultraviolet wavelengths.