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Location: Main > Optical Lenses > Spherical Plano Convex Lenses > POL-PCX-BK7-25.4-139.5-C/L
Name: DIA25.4mm Plano-Convex Lens(1510-1650nm)F+139.5mm
P/N: POL-PCX-BK7-25.4-139.5-C/L
Keywords:Dia25.4mm,BK7,PCX,EFL+139.5mm,DAR1510-1650nm
Unit Price: S$98.00/pc
Available: In stock
Request: Add to Request List
Introduction:
BK7 Plano-Convex Lenses have a positive focal length and near-best-form shape for infnite and finite conjugate applications. Plano-convex lenses focus a collimated beam to the back focus and collimate light from a point source. This lens is designed for telecom band 1510-1650nm use, more for eye-safe lasers.

Substrate Material: Schott NBK7 optical glass
Wavelength Range: 350 - 2000nm
Design Wavelength: 1570nm(plano-convex, spherical)
Outer Diameter(OD): 25.4,-0.10/-0.05mm
Center Thickness(CT): 4.00,+/-0.05mm
Edge Thickness(ET): 2.83,+/-0.05mm
Radius of Curvature(R1) 69.80,+/-0.05mm
Radius of Curvature(R2) flat
Effective Focal Length(EFL): +139.5mm designed @ 1570nm
Back Focal Length(BFL): +136.8mm @ 1570nm
Surface Quality: 40/20 scratch and dig
Surface Figure: < lambda/4 @ 633nm inspected (over clear aperture)
Clear Aperture: >90%
Centration: <0.05mm
Coating(both surfaces): AR coated @1510-1650nm, R<0.25% (double surfaces, 0-deg AOI)
Bevel: 0.20mm, 40-50 degrees

 
 
 
 
 
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