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  • N-BK7 Windows and H-K9L Windows

    Made from BK7 material, which has transparent range from 330-2100nm. The refractive index is 1.5168 at 587.6nm. The BK7 window has good performance over visible and near IR spectrum for most application.

  • High Precision Achromatic Waveplate

    Achromatic Waveplate Achromatic Waveplates(Retarders), AWP is composed of one piece of Crystal Quartz and one piece of Magnesium Fluoride, MgF2.

  • IR Windows Barium Fluoride BaF2 Window

    Barium fluoride (BaF2) shows good optical transmission over UV-IR windows in 0.15μm~12.5μm.

  • IR Windows Magnesium Fluoride MgF2 Windows

    MgF2 windows are used in the UV, visible and IR ranges, with approximately 94% transmission from 200 - 1000 nm, and approximately 95% transmission from 1-6µm

  • IR Windows Calcium fluoride CaF2 Windows

    CaF2 has transparent range from 170-7800nm. The refractive index is 1.399 at 5000nm. 1. Low absorption coefficient 2. High damage threshold, 3. Low Dispersion (with an Abbe Number of 95) 4. Low fluorescence 5. Excellent water, chemical, and heat resistance

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Plano Concave Lens

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Optical Glass Plano-Concave Lenses

Plano-Concave Lenses have a negative focal length and is typically used to cause a collimated beam to diverge as in a Galilean type beam expander or Telescope.
1. Beam expansion
2. Light projection
3. Expanding an optical system’s focal length

  • product orgin:

    China
  • shipping port:

    Fuzhou China
  • payment:

    T/T Payment, Western Union
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features

Optical Glass Plano-Concave Lenses


1. Beam expansion
2. Light projection
3. Expanding an optical system’s focal length

Plano-Concave Lenses are with negative focal lengths and they can be used to diverge collimated beams; in this case, the curved surface should face the source in order to minimize spherical aberration. In addition, they can be employed to offset the effects of spherical aberration caused by other lenses in an optical system. Because the spherical aberration of the Plano-Concave is negative, it can be used to balance the aberration of other lenses.


WTS offer N-BK7 Plano-Concave Lenses, Fused silica Plano-Concave Lenses, Calcium Fluoride Plano-Concave Lenses etc.

Material:
Grade A optical glass, UV, VIS, IR material
Dimension Tolerance:
±0.1mm(Standard), ±0.05mm(High Precision)
Center Thickness Tolerance:
±0.1mm(Standard), ±0.05mm(High Precision)
Paraxial Focal Length:
±2%
Surface quality:
60/40(Standard), 20/10(High Precision)
Clear Aperture:
>85%
Surface Figure:
λ/2(Standard), λ/4(High Precision) @633nm
Centration:
3 arc minutes
Bevel:
<0.25mm×45°
Coating:
Upon requirement

Plano-Concave LensesPCV Lenses

Typical Sizes
Item No. Diameter (mm) f(mm) R(mm) Tc(mm) Te(mm) Fb(mm)
Material N-BK7
PLCV001 6 -12 6.22 2 2.77 -13.31
PLCV002 6 -24 12.44 2 2.37 -25.31
PLCV101 12.7 -15 7.79 2 5.27 -16.35
PLCV102 12.7 -20 10.37 2 4.17 -21.32
PLCV103 12.7 -25 12.97 2 3.7 -26.33
PLCV104 12.7 -30 15.56 2 3.4 -31.31
PLCV105 12.7 -40 20.75 2 3 -41.32
PLCV106 12.7 -50 25.94 2 2.79 -51.33
PLCV107 12.7 -75 38.9 2 2.52 -76.31
PLCV108 12.7 -100 51.88 2 2.39 -101.33
PLCV201 25.4 -35 18.15 2 7.18 -36.32
PLCV202 25.4 -50 25.94 2 5.32 -51.33
PLCV203 25.4 -70 36.31 2 4.29 -71.32
PLCV204 25.4 -75 38.9 2 4.13 -76.31
PLCV205 25.4 -100 51.88 2 3.58 -101.33
PLCV206 25.4 -125 64.96 2 3.26 -126.36
PLCV207 25.4 -150 77.8 2 3.04 -151.3
PLCV208 25.4 -175 90.78 2 2.89 -176.32
PLCV209 25.4 -200 103.75 2 2.78 -201.33
PLCV210 25.4 -250 129.72 2 2.62 -251.39
PLCV211 25.4 -300 155.6 2 2.52 -301.29
PLCV212 25.4 -500 259.4 2 2.31 -501.39
PLCV213 25.4 -1000 518.7 2 2.16 -1001.28
PLCV301 30 -80 41.5 2 4.81 -81.32
PLCV302 30 -100 51.88 2 4.22 -101.33
PLCV303 30 -200 103.75 2 3.09 -201.33
PLCV304 38 -50 25.94 2 10.28 -51.33
PLCV305 38 -100 51.88 2 5.6 -101.33
PLCV306 38 -150 77.8 2 4.36 -151.3
PLCV307 38 -200 103.75 2 3.76 -201.33
PLCV308 38 -350 181.55 2 3 -351.31
PLCV309 38 -500 259.4 2 2.7 -501.39
PLCV310 38 -700 363.1 2 2.5 -701.31
PLCV401 40 -50 25.94 2 11.42 -51.33
PLCV501 50 -75 38.9 2 12.1 -76.97
PLCV502 50 -100 51.88 3 9.42 -101.99
PLCV503 50 -150 77.8 3 7.13 -151.96
PLCV504 50 -200 103.75 3 6.06 -201.99
PLCV505 50 -250 129.72 3 5.43 -252.05
PLCV506 50 -400 207 3 4.52 -401.03
PLCV507 50 -500 259.4 3 4.21 -502.05
PLCV508 50 -600 311.2 3 4.01 -601.91
PLCV509 50 -800 415 3 3.75 -802.02
Material Fused Silica
PLCV-FS01 12.7 -15 6.92 2 6.17 -16.41
PLCV-FS02 12.7 -20 9.2 2 4.54 -21.38
PLCV-FS03 12.7 -25 11.51 2 3.91 -26.38
PLCV-FS04 12.7 -30 13.8 2 3.55 -31.37
PLCV-FS05 12.7 -40 18.41 2 3.13 -41.38
PLCV-FS06 25.4 -35 16.11 2 8.2 -36.36
PLCV-FS07 25.4 -50 23.01 2 5.82 -51.38
PLCV-FS08 25.4 -75 34.51 2 4.42 -76.38
PLCV-FS09 25.4 -100 46.03 2 3.79 -101.42
PLCV-FS10 25.4 -150 69.02 2 3.18 -151.39
PLCV-FS11 25.4 -175 80.54 2 3.01 -176.43
PLCV-FS12 25.4 -200 92.04 2 2.88 -201.42
PLCV-FS13 25.4 -250 115.08 2 2.7 -251.5
PLCV-FS14 25.4 -300 138.04 2 2.59 -301.41
PLCV-FS15 25.4 -500 230.1 2 2.35 -501.5
PLCV-FS16 25.4 -1000 460.1 2 2.18 -1001.42
PLCV-FS17 38 -50 23.01 3 13.03 -52.07
PLCV-FS18 38 -100 46.03 3 7.1 -102.1
PLCV-FS19 38 -150 69.02 3 5.67 -152.07
PLCV-FS20 38 -200 92.04 3 4.98 -202.11
PLCV-FS21 38 -350 161.06 3 4.13 -352.13
PLCV-FS22 38 -500 230.1 3 3.79 -502.19

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