Compare Model Drawings, CAD & Specs Diameter Effective Focal Length (EFL) F/# Availability Price
Bi-Convex Lens, Fused Silica, 12.7 mm Diameter, 12.7 mm EFL, 1064nm
$215
In Stock
12.7 mm 12.7 mm 1
In Stock
Bi-Convex Lens, Fused Silica, 12.7 mm Diameter, 25.4 mm EFL, 1064nm
$215
In Stock
12.7 mm 25.4 mm 2
In Stock
Bi-Convex Lens, Fused Silica, 25.4 mm Diameter, 20.0 mm EFL, 1064nm
$215
In Stock
25.4 mm 20.0 mm 0.8
In Stock
Bi-Convex Lens, Fused Silica, 25.4 mm Diameter, 25.4 mm EFL, 1064nm
$215
In Stock
25.4 mm 25.4 mm 1
In Stock
Bi-Convex Lens, Fused Silica, 25.4 mm Diameter, 32.0 mm EFL, 1064nm
$215
In Stock
25.4 mm 32.0 mm 1.3
In Stock
Bi-Convex Lens, Fused Silica, 25.4 mm Diameter, 50.2 mm EFL, 1064nm
$215
In Stock
25.4 mm 50.2 mm 2
In Stock
Bi-Convex Lens, Fused Silica, 25.4 mm Diameter, 75.6 mm EFL, 1064nm
$215
In Stock
25.4 mm 75.6 mm 3
In Stock
Bi-Convex Lens, Fused Silica, 25.4 mm Diameter, 100 mm EFL, 1064nm
$171
In Stock
25.4 mm 100 mm 3.9
In Stock
Bi-Convex Lens, Fused Silica, 25.4 mm Diameter, 150 mm EFL, 1064nm
$159
In Stock
25.4 mm 150 mm 5.9
In Stock
Bi-Convex Lens, Fused Silica, 25.4 mm Diameter, 200 mm EFL, 1064nm
$158
In Stock
25.4 mm 200 mm 7.9
In Stock
Bi-Convex Lens, Fused Silica, 25.4 mm Diameter, 250 mm EFL, 1064nm
$158
In Stock
25.4 mm 250 mm 9.8
In Stock
Bi-Convex Lens, Fused Silica, 25.4 mm Diameter, 500 mm EFL, 1064nm
$158
In Stock
25.4 mm 500 mm 19.7
In Stock
Bi-Convex Lens, Fused Silica, 25.4 mm Diameter, 1000 mm EFL, 1064nm
$158
In Stock
25.4 mm 1000 mm 39.4
In Stock
Bi-Convex Lens, Fused Silica, 50.8 mm Diameter, 50.2 mm EFL, 1064nm
$529
In Stock
50.8 mm 50.2 mm 1
In Stock
Bi-Convex Lens, Fused Silica, 50.8 mm Diameter, 75.6 mm EFL, 1064nm
$569
In Stock
50.8 mm 75.6 mm 1.5
In Stock
Bi-Convex Lens, Fused Silica, 50.8 mm Diameter, 100 mm EFL, 1064nm
$389
In Stock
50.8 mm 100 mm 2
In Stock
Bi-Convex Lens, Fused Silica, 50.8 mm Diameter, 150 mm EFL, 1064nm
$389
In Stock
50.8 mm 150 mm 3
In Stock
Bi-Convex Lens, Fused Silica, 50.8 mm Diameter, 200 mm EFL, 1064nm
$335
In Stock
50.8 mm 200 mm 3.9
In Stock
Bi-Convex Lens, Fused Silica, 50.8 mm Diameter, 250 mm EFL, 1064nm
$299
In Stock
50.8 mm 250 mm 4.9
In Stock
Bi-Convex Lens, Fused Silica, 50.8 mm Diameter, 500 mm EFL, 1064nm
$299
In Stock
50.8 mm 500 mm 9.8
In Stock
Bi-Convex Lens, Fused Silica, 50.8 mm Diameter, 1000 mm EFL, 1064nm
$299
50.8 mm 1000 mm 19.7

Specifications

  • Lens Shape
    Bi-Convex (Double Convex)
  • Lens Material
    UV Fused Silica
  • Antireflection Coating
    1064 nm
  • Coating Type
    Laser Line V-Coat Multilayer
  • Coating Code
    AR.33
  • Damage Threshold
    7.5 J/cm2, 10 ns pulses, 20 Hz at 1064 nm
  • Surface Quality
    20-10 scratch-dig
  • Surface Accuracy, Irregularity
    λ/8
  • Surface Accuracy, Power
    1.5 λ
  • Surface Flatness
    λ/8
  • Centration
    ≤3 arc min
  • Chamfers
    0–0.8 mm face width
  • Chamfers Angle/Tolerance
    45° ±15°, typical
  • Focal Length Tolerance
    ±1 %
  • Diameter Tolerance
    +0/-0.1 mm
  • Center Thickness Tolerance
    ±0.1 mm
  • Clear Aperture
    ≥central 90% of diameter
  • Cleaning

Features

UV Fused Silica Substrates for UV, Laserline & Broadband Applications

UV Grade Fused Silica is synthetic amorphous silicon dioxide of extremely high purity providing maximum transmission from 195 to 2100 nm. This non-crystalline, colorless silica glass combines a very low thermal expansion coefficient with good optical qualities, and excellent transmittance in the ultraviolet region. Transmission and homogeneity exceed those of crystalline quartz without the problems of orientation and temperature instability inherent in the crystalline form. It will not fluoresce under UV light and is resistant to radiation. For high-energy applications, the extreme purity of fused silica eliminates microscopic defect sites that could lead to laser damage. For more information, refer to our optical materials Technical Note

Precision Bi-Convex Lens Surfaces

Our precision UV Fused Silica double-convex lenses are polished to tight tolerances minimizing wavefront distortion. Tight surface quality tolerances minimize scatter and unwanted diffraction effects. These lenses have a 20-10 scratch-dig surface quality, and a λ/8 surface irregularity. For more information, refer to the optical surfaces technical note.

1064 nm Laser Line Antireflection V-Coating

Our AR.33 laser line V-coating offers the lowest reflectance at 1064 nm for maximum transmission while maintaining high durability and high damage resistance. Valuable laser energy is efficiently transmitted through the plano-convex lens rather than lost to surface reflection and scattering. The trade off to its superior performance is the minimal laser line wavelength range.

Standardized Bi-Convex Focal Lengths

Standard effective focal lengths on our double-convex lenses provide a systematic approach allowing for lenses of different sizes and materials to be interchanged without requiring other changes to your optical system.

Bi-Convex Lens Shape for Focusing

Bi-Convex lenses are the best choice when the object and image are at equal or near equal distance from the lens. When the object and image distance are equal (1:1 magnification), not only is spherical aberration minimized, but also coma, distortion, and chromatic aberration are identically canceled due to the symmetry. Bi-convex lenses function similarly to plano-convex lenses in that they have a positive focal length, and focus parallel rays of light to a point. Both surface are spherical and have the same radius of curvature, thereby minimizing spherical aberration. As a guideline, bi-convex lenses perform within minimum aberration at conjugate ratios between 5:1 and 1:5. Outside this magnification range, plano-convex lenses are usually more suitable.

Mounting Options

We offer a full range of optical lens mounts to meet various experimental requirements. Below lists the recommended mounts for spherical lenses of standard sizes. Please see our Lens Mount Guide for additional information.

Lens Diameter LH-A-GRP
A-Line™ Lens Mounts
LT_Series_group_update
LT Series Lens Tubes
OM-multi_axis_lens_pos-S
LP Series Lens Positioners
76.2 mm (M-) LH-3A N/A N/A
50.8 mm (M-) LH-2A
LH-2N
LT20-05
LT20-10
LT20-20
LT20-30
LP-2A
LP-2A-XY
LP-2A-XYZ
38.1 mm (M-) LH-1.5A LT20 lens tube with LH-2R1.5 adapter LP-2 lens positioner with LPLH-1.5T adapter
25.4 mm ((M-) LH-1A
LH-1N
LH-1XY
LH-1TZ-A
LH-1TZ
LT10-05
LT10-10
LT10-20
LT10-30
LP-1A
LP-1A-XY
LP-1A-XYZ
12.7 mm (M-) LH-0.5A
LH-05N
LT05-05
LT05-10
LP-05A
LP-05A-XY
LP-05A-XYZ
6.35 mm LH-05DB with LH-50R25 adapter LT05 lens tube with LH-50R25 adapter LP-05 lens positioner with LPLH-25T adapter

For non-standard sizes not listed above, check out our variable size lens mounts.