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E-11-733 40mm Dia. x 200mm FL, YAG-BBAR Coated, Achromatic Lens

Fosco Connect Part No.: E-11733

  • $ 263.00 or



E-11733 40mm Dia. x 200mm FL, YAG-BBAR Coated, Achromatic Lens

Product YAG-BBAR Coating Curve

Product ISO

Product Drawing

Diameter (mm): 40.00 +0.000/-0.025

Effective Focal Length EFL (mm): 200.00
Focal Length Tolerance (%): ±1
Back Focal Length BFL (mm): 194.14
Focal Length Specification Wavelength (nm): 587.6
Clear Aperture CA (mm): 39.00
Centering (arcmin): <1
Center Thickness CT 1 (mm): 8.50
Center Thickness CT 2 (mm): 4.00
Center Thickness Tolerance (mm): ±0.2
Radius R1 (mm): 124.12
Radius R2 (mm): -87.26
Radius R3 (mm): -253.10
Edge Thickness ET (mm): 10.09

Substrate: 
N-BK7 / N-SF5
Surface Quality: 40-20
f/#: 5.00
Numerical Aperture NA: 0.10
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

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.

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