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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

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 Lenses PCV Lenses

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.

One stop service for Vision Optics-Laser Optics-Medical Optics-5G Optical Communication-Military Optics.

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

tags : Plano-Concave Lenses Glass PCV Lenses N-BK7 Plano-Concave Lenses Fused Silica Plano-Concave Lenses Calcium Fluoride Plano-Concave Lenses Mounted Plano-Concave Lenses

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