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

6.25mm Dia. x 50mm FL, YAG-BBAR Coated, Achromatic Lens

YAG-BBAR Coated Achromatic Lenses

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Stock #33-204 Other Coating Options
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$65.50
Qty 1-5
$65.50
Qty 6+
$51.50
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Diameter (mm):
6.25 +0.000/-0.025
Effective Focal Length EFL (mm):
50.00
Focal Length Tolerance (%):
±2
Back Focal Length BFL (mm):
48.61
Focal Length Specification Wavelength (nm):
587.6
Clear Aperture CA (mm):
5.25
Centering (arcmin):
<1
Center Thickness CT 1 (mm):
2.00
Center Thickness CT 2 (mm):
1.00
Center Thickness Tolerance (mm):
±0.2
Radius R1 (mm):
30.77
Radius R2 (mm):
22.05
Radius R3 (mm):
64.6
Edge Thickness ET (mm):
2.77
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Quality:
40-20
f/#:
8.00
Numerical Aperture NA:
0.06
Coating:
YAG-BBAR (500-1100nm)
Coating Specification:
Rabs <0.25% @ 532nm
Rabs <0.25% @ 1064nm
Ravg <1.0% @ 500 - 1100nm
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Bevel:
Protective bevel as needed
Type:
Achromatic Lens
Wavelength Range (nm):
500 - 1100

Regulatory Compliance

RoHS 2015:
Reach 219:

Product Family Description

  • Optimized for <0.25% Absolute Reflectivity at 532nm and 1064nm
  • Excellent Broadband Transmission from 500 - 1100nm
  • Low Cost Alternative to Air-Spaced Focusing Doublets

TECHSPEC® YAG-BBAR Coated Achromatic Lenses consist of two optical components cemented together to form a doublet that is ideal for correcting on-axis spherical and chromatic aberrations. These achromats feature a broadband anti-reflective coating with superior transmission from 500 - 1100nm, and are optimized for less than 0.25% absolute reflectivity at 532 and 1064nm. Our TECHSPEC YAG-BBAR Coated Achromatic Lenses are specifically designed to minimize the spot size for polychromatic illumination within the recommended usable wavelength range, but may also be used for focusing Nd:YAG lasers, especially those with an alignment beam.

Laser Optics

Technical Information

Compatible Mounts

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6.25mm Inner Single Optic Mount Fixed #38-746 $29.50
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6.25mm Diameter, S-Mount Thick Optic Mount Fixed #63-949 $32.50
Qty 5+ $29.10 Request Quote
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