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All Products / Optics / Optical Lenses / Specialty Lenses / Gradient Index (GRIN) Rod Lenses
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0.5mm Dia, 670nm DWL, 0.0mm WD, VIS Coated, GRIN Lens

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Stock #64-533 Contact Us
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A$109.60
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A$109.60
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A$96.00
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Diameter (mm):
0.50 +0.00/-0.01
Effective Focal Length EFL (mm):
0.45
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Aluminosilicate Glass Embedded with Silver Ions
f/#:
0.9
Numerical Aperture NA:
0.54
Coating:
BBAR (450-700nm)
Type:
Gradient Index Lens
Wavelength Range (nm):
450 - 700
Clear Aperture (%):
90.00
Coating Specification:
Ravg <0.7%, 0-30°
Focal Length Specification Wavelength (nm):
670.00
Gradient Constant (mm-1):
1.369
Index of Refraction nd - Center of Lens:
1.629
Length (mm):
1.15
Pitch:
0.25
Surface Quality:
40-20
Working Distance (mm):
0
Working Distance Tolerance (mm):
±0.02
Length Tolerance (%):
±5

Regulatory Compliance

RoHS 2015:
Compliant
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Reach 219:
Compliant
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Certificate of Conformance:
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Product Family Description

  • Ideal for Fiber Coupling and Laser Diode Applications
  • Comparable Performance to Conventional Aspherical Singlets
  • Multiple Sizes and Wavelength Options

Gradient Index (GRIN) Rod Lenses feature plane optical surfaces and achieve focus via a continuous change of the refractive index within the lens material. By eliminating complex geometries (such as aspherical surface figures) and carefully designing the lenses for specific working distances, these microlenses are comparatively easy to handle and integrate into optical systems. Gradient Index (GRIN) Rod Lenses are designed to provide a 0.55 numerical aperture. These Rod Lenses are available for purchase in 2 working distance options: 0 and 0.23 mm. 

Lenses with a 0mm working distance are ideal for the collimation of single and multi-mode optical fibers and laser diodes because the lens can be positioned and glued directly to the emission source. For focusing applications, or in instances where the lens can’t be in direct contact with the emission source, all lenses are available with a small working distance as well. Each lens is available uncoated (approximately 12% reflection loss), or with a BBAR coating option for R < 0.5%.

Laser Optics