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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

2.5mm Diameter, Fused Silica Ball Lens

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Stock #67-383 In Stock
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C$64.05
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C$64.05
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C$51.10
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Product Details

Type:
Ball Lens

Physical & Mechanical Properties

Diameter (mm):
2.50
Diameter Tolerance (μm):
±2.5

Optical Properties

Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Fused Silica (Corning 7980)
Coating:
Uncoated
Wavelength Range (nm):
200 - 2200
Index of Refraction nd:
1.458
Sphericity (μm):
0.625

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
REACH 241:

Product Family Description

  • Excellent UV Transmission
  • Low Coefficient of Thermal Expansion
  • Ball and Half-Ball Options Available

TECHSPEC® Fused Silica Ball and Half-Ball Lenses feature high transmission from 200nm to 2.2μm with a low coefficient of thermal expansion, making it ideal for the most demanding ball lens applications in the ultraviolet, visible, and near-infrared spectra. Ball lenses are commonly used for improving signal coupling between fibers, emitters, and detectors, as well as objective lenses in endoscopy and bar-code scanning applications. Half-ball lenses simplify handling and integration. TECHSPEC Fused Silica Ball and Half-Ball Lenses are uncoated with a fused silica substrate. The lenses are available in diameters ranging from 0.50 to 5.00mm.

UV FS Transmission Curve
UV FS Transmission Curve
Filter

Anti-Reflection (AR) Coatings

Anti-reflection (AR) coatings are applied to optical components to increase throughput and reduce hazards caused by back-reflections.

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Ball Lens Calculator

Understanding Ball Lenses

Have a question about ball lenses? Find more information about these optical components including essential equations and application examples at Edmund Optics.

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I am trying to determine whether it is possible to use a reversed lens to defocus a collimated beam into a ball lens in order to increase the BFL of the ball lens. What formulas would I need to use to calculate the lens required and its position?

Ball Lens

Sphericity

UV vs. IR Grade Fused Silica

UV grade fused silica is ideal for UV and visible applications, but IR grade fused silica has better transmission in the IR due to a lack of OH- impurities.

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Fiber Coupler Calculator

How do I couple light into a fiber using a lens / ball lens?

How can I decrease the output angle of a fiber to achieve a more collimated beam with a lens / ball lens?

Diopter

Numerical Aperture (NA)

Introduction to Basic Ray Optics

An understanding of refraction and basic ray optics is a critical foundation for understanding more complicated optical concepts and technologies.

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Transmission

How do I clean my optics?

Refraction

Surface Quality

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