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.
Achromatic Waveplate Achromatic Waveplates(Retarders), AWP is composed of one piece of Crystal Quartz and one piece of Magnesium Fluoride, MgF2.
Barium fluoride (BaF2) shows good optical transmission over UV-IR windows in 0.15μm~12.5μm.
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
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
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:
Chinashipping port:
Fuzhou Chinapayment:
T/T Payment, Western UnionOptical 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 |
Note for Spherical Lens:
a. Other optical glass materials from Schott, Ohara, Hoya or Chinese CDGM are also available upon request.
b. Custom-made Spherical Lenses at any size from diameter 1.0 to 300mm are available upon request.
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Typical Sizes |
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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 |
Penta prisms are five-sided prisms featuring a ray deviation of 90° and a right handed image 90° Deviation of Beam or Image Right Handed Image Coating are avaliable
Positive meniscus lenses is convex-concave lens thicker at the center than at the edges, which frequently used for beam focusing applications. Negative meniscus lenses is convex-concave lens thinner at the center than edges, which frequently used for beam expanding applications.
Achromatic Waveplate Achromatic Waveplates(Retarders), AWP is composed of one piece of Crystal Quartz and one piece of Magnesium Fluoride, MgF2.
Wedge Prisms (Wedge Windows) are ideal for laser beam steering applications. Also known as Risley prisms, these optics deflect a beam normal to the prism's perpendicular surface through an angular deviation.
X-Cube (RGB Prism) Used under any polarization state High brightness Excellent White balance
True Zero Order Waveplates 1. Constructed of a true zero order waveplate and a BK7 substrate.As the waveplate is very thin and easy to be damaged,the Bk7 plate's function is to strengthen the waveplate. 2. Single Plate
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