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 |
Dual Wavelengths Waveplate is a multiple waveplate that provide a specitfic retardance at two different wavelengths Operates as λ/2 @ λ1 & as λ/4 @ λ2 Dual Wavelength Operation 532 nm/1064 nm
Precision Aspheric Lenses Collimate or Focus Light with a Single Element Reduce spherical aberration Reduce overall system weight
Right Angle Prism is deviating or deflecting a beam of light with 90°or 180°. It is often used in telescope, periscope and other optical system. Deviate Beam or Image by 90° or 180° Material: N-BK7, UV Fused Silica, CaF2, ZnSe, or Ge AR-Coated, HR coated are Available
Custom step windows are ideal use in viewports, pressure, and vacuum situations. Sapphire step windows also make great viewports for deep ocean vehicles.
Schmidt Prisms Schmidt prisms are used to invert and revert an image to angle of 45°. The 45° deviation makes Schmidt prisms useful in eyepiece assemblies and imaging systems requiring a path bend. 1. Ray Deviation of 45° 2. Right Handed Image 3. Combine with Half-Penta Prism to Create Pechan Prism
Equilateral Prism has three equal 60°angles, and are mostly used to disperse the spectrum.
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