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5.0mm Diameter, Ruby Ball Lens

Sapphire and Ruby Ball Lenses

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Stock #43-647 3-5 days
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A$49.20
Qty 1-10
A$49.20
Qty 11+
A$39.20
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Porosity (%):
0.00
Specific Gravity (g/cm3):
3.98
Compressive Strength (psi):
300,000

Product Details

Type:
Ball Lens

Physical & Mechanical Properties

Diameter (mm):
5.00
Diameter Tolerance (μm):
±2.54

Optical Properties

Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Ruby Doped Sapphire (Al2O3)
Coating:
Uncoated
Wavelength Range (nm):
600 - 5500
Index of Refraction nd:
1.77
Sphericity (μm):
0.625
Wavelength Range (μm):
0.6 - 5.5

Material Properties

Coefficient of Thermal Expansion CTE (10-6/°C):
8.4

Environmental & Durability Factors

Melting Temperature (°C):
2053.00

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
REACH 241:

Product Family Description

Sapphire and Ruby Ball Lenses are both made from Al203. Ruby or Ruby-Doped sapphire owes its red color to traces of chromium oxide (chromium content for ruby balls is typically >0.5%). While their physical and chemical properties are similar, Sapphire has superior optical transmission. Ruby Ball Lenses are easier to see and handle for physical applications. Sapphire and Ruby Ball Lenses are ideal for improving signal coupling between fibers, emitters, and detectors. They are also used in endoscopy, bar code scanning, ball pre-forms for aspheric lenses, and sensor applications. Sapphire and Ruby Half-Ball Lenses are also available.  

For general information about ball lens, as well as how to calculate the NA and Focal Length, view Understanding Ball Lenses.

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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

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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