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

YAG-BBAR Coated Plano-Concave (PCV) Lenses

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  • Negative Focal Lengths for Beam Expansion or Light Projection Applications
  • Optimized for R<0.25% at both 532nm and 1064nm
  • AR Coated to Provide <1.0% Reflectance per Surface for 500 - 1100nm
  • Various Coating Options: Uncoated, VIS-EXTMgF2, VIS 0°, VIS-NIR, NIR I, NIR II, and 1064nm V-Coat

TECHSPEC® YAG-BBAR Coated Plano-Concave (PCV) Lenses are designed to bend parallel input rays to diverge from one another on the output side of the lens causing this lens to have a negative focal length. These lenses can be used for balancing aberrations created by other lenses within a system due to their negative spherical aberration. Plano-Concave (PCV) lenses are commonly used in a variety of applications including image reduction, beam expansion and telescopes. TECHSPEC® YAG-BBAR Coated Plano-Concave (PCV) Lenses feature less than 0.25% reflection at common Nd:YAG laser wavelengths of 532nm and 1064nm. These lenses are also available Uncoated, VIS-EXTMgF2VIS 0°VIS-NIRNIR I, or with NIR II AR coating options.

Common Specifications

Bevel:
Protective bevel as needed
Coating:
YAG-BBAR (500-1100nm)
Wavelength Range (nm):
500 - 1100
Focal Length Specification Wavelength (nm):
587.6
Focal Length Tolerance (%):
±1
Damage Threshold, By Design:
5 J/cm2 @ 532nm, 10ns
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4

Products

Dia. (mm) EFL (mm) BFL (mm)  Coating   Substrate   Compare   Stock Number   Price  Buy
3.00 -6.00 -6.56 YAG-BBAR (500-1100nm) N-SF11
3.00 -9.00 -9.56 YAG-BBAR (500-1100nm) N-SF11
6.00 -6.00 -6.84 YAG-BBAR (500-1100nm) N-SF11
6.00 -9.00 -9.84 YAG-BBAR (500-1100nm) N-SF11
6.00 -12.00 -12.99 YAG-BBAR (500-1100nm) N-BK7
6.00 -15.00 -16.32 YAG-BBAR (500-1100nm) N-BK7
6.00 -18.00 -19.32 YAG-BBAR (500-1100nm) N-BK7
9.00 -9.00 -10.21 YAG-BBAR (500-1100nm) N-SF11
9.00 -12.00 -13.26 YAG-BBAR (500-1100nm) N-SF11
9.00 -18.00 -19.26 YAG-BBAR (500-1100nm) N-SF11
9.00 -27.00 -28.68 YAG-BBAR (500-1100nm) N-SF11
12.00 -12.00 -13.23 YAG-BBAR (500-1100nm) N-SF11
12.00 -15.00 -16.68 YAG-BBAR (500-1100nm) N-SF11
12.00 -18.00 -19.95 YAG-BBAR (500-1100nm) N-SF11
12.00 -24.00 -26.32 YAG-BBAR (500-1100nm) N-BK7
12.00 -48.00 -50.31 YAG-BBAR (500-1100nm) N-BK7
20.00 -30.00 -31.96 YAG-BBAR (500-1100nm) N-SF11
20.00 -40.00 -42.31 YAG-BBAR (500-1100nm) N-BK7
20.00 -50.00 -52.31 YAG-BBAR (500-1100nm) N-BK7
20.00 -100.00 -102.88 YAG-BBAR (500-1100nm) N-BK7
25.00 -25.00 -26.96 YAG-BBAR (500-1100nm) N-SF11
25.00 -35.00 -36.96 YAG-BBAR (500-1100nm) N-SF11
25.00 -50.00 -52.31 YAG-BBAR (500-1100nm) N-BK7
25.00 -100.00 -102.31 YAG-BBAR (500-1100nm) N-BK7
50.00 -100.00 -103.30 YAG-BBAR (500-1100nm) N-BK7
50.00 -125.00 -128.30 YAG-BBAR (500-1100nm) N-BK7

Technical Information

N-BK7

Typical transmission of a 3mm thick, uncoated N-BK7 window across the UV - NIR spectra.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with MgF2 (400-700nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 1.75% @ 400 - 700nm (N-BK7)

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with VIS-EXT (350-700nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 0.5% @ 350 - 700nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with VIS-NIR (400-1000nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Rabs ≤ 0.25% @ 880nm
Ravg ≤ 1.25% @ 400 - 870nm
Ravg ≤ 1.25% @ 890 - 1000nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with VIS 0° (425-675nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 0.4% @ 425 - 675nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with YAG-BBAR (500-1100nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Rabs ≤ 0.25% @ 532nm
Rabs ≤ 0.25% @ 1064nm
Ravg ≤ 1.0% @ 500 - 1100nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with NIR I (600 - 1050nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 0.5% @ 600 - 1050nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with NIR II (750 - 1550nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Rabs ≤ 1.5% @ 750 - 800nm
Rabs ≤ 1.0% @ 800 - 1550nm
Ravg ≤ 0.7% @ 750 - 1550nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

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