Custom High Presion Double Concave Lenses and Bi-concave Lenses,China High Presion Double Concave Lenses and Bi-concave Lenses Suppliers

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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

Double Concave Lens

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High Presion Double Concave Lenses and Bi-concave Lenses

Double Concave Lenses, Bi-Concave Lenses is like the Plano-Concave lenses in that they are used to produce divergent light. The Bi-Concave is best used when the input beam is converging.

1. Supported by the Zemax Optical Design Package

2. Negative Focal Length

3. Material upon requirement

product orgin:
China
shipping port:
Fuzhou China
payment:
T/T Payment, Western Union

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High Presion Double Concave Lenses and Bi-concave Lenses

Double Concave Lenses, Bi-Concave Lenses is like the Plano-Concave lenses in that they are used to produce divergent light. The Bi-Concave is best used when the input beam is converging.

1. Supported by the Zemax Optical Design Package

2. Negative Focal Length

3. Material upon requirement

WTS offer customize Double Concave Lenses products.

Material:	Optical glass, BK7, Fused Silica, Schott, OHARA, CaF2,Germanium etc.
Dimension Tolerance:	±0.1mm(Standard), ±0.01mm(High Precision)
Center Thickness Tolerance:	±0.1mm(Standard), ±0.02mm(High Precision)
Paraxial Focal Length:	±2%
Surface quality:	60/40(Standard), 20/10(High Precision)
Clear Aperture:	>85%
Surface Figure:	λ/2(Standard), λ/8(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, UVFS from Heraeus, Corning, Germanium, Silicon, ZnSe, ZnS, CaF2, Sapphire 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
ItemNo.	Diameter(mm)	f(mm)	R2=R2(mm)	Tc(mm)	Te(mm)	Fb(mm)
Material	N-BK7
BICV001	6	-15	15.2	2.1	1.5	14.3
BICV002	6	-30	30.83	1.79	1.5	29.42
BICV101	12.7	-15	14.65	4.89	2	13.27
BICV102	12.7	-20	20.04	4.07	2	18.62
BICV103	12.7	-25	25.35	3.62	2	23.82
BICV104	12.7	-30	30.55	3.33	2	28.89
BICV105	12.7	-40	41.02	2.99	2	39.04
BICV106	12.7	-50	51.4	2.79	2	49.08
BICV107	12.7	-75	77.45	2.52	2	74.24
BICV108	12.7	-100	103.28	2.39	2	99.16
BICV201	25.4	-25	24.72	9.02	2	22.24
BICV202	25.4	-31.7	31.55	7.34	2	29.15
BICV203	25.4	-35	35.08	6.76	2	32.66
BICV204	25.4	-50	50.93	5.22	2	48.22
BICV205	25.4	-75	77.09	4.11	2	73.63
BICV206	25.4	-100	103.04	3.57	2	98.73
BICV207	25.4	-125	129.12	3.25	2	123.92
BICV208	25.4	-150	155.1	3.04	2	149
BICV209	25.4	-175	181.13	2.89	2	174.12
BICV210	25.4	-200	207	2.78	2	199.07
BICV211	25.4	-250	258.9	2.62	2	249.12
BICV212	25.4	-300	310.8	2.52	2	299.17
BICV213	25.4	-500	518.3	2.31	2	499.21
BICV214	25.4	-1000	1037.1	2.16	2	999.32
BICV301	38	-45	44.87	10.44	2	41.46
BICV302	38	-50	49.97	10.5	3	46.4
BICV303	38	-100	102.57	6.55	3	97.78
BICV304	38	-150	154.7	5.34	3	148.23
BICV305	38	-200	206.7	4.75	3	198.46
BICV306	38	-350	362.4	4	3	348.66
BICV307	38	-500	518.1	3.7	3	498.79
BICV308	38	-700	725.6	3.5	3	698.84
BICV401	40	-63.5	64.42	8.27	1.9	60.7
BICV501	50	-100	102.06	9.2	3	96.9
BICV502	50	-150	154.27	7.1	3	147.6
BICV503	50	-200	206.28	6	3	198
BICV504	50	-250	258.22	5.4	3	248.2
BICV505	50	-400	413.87	4.5	3	398.5
BICV506	50	-450	465.73	4.3	3	448.6
BICV507	50	-500	517.58	4.2	3	448.6
BICV508	50	-600	621.28	4	3	598.7
BICV509	50	-800	828.64	3.8	3	798.7
Material	Fused Silica
BICV-FS01	6	-15	14.03	1.5	2.15	15.5
BICV-FS02	6	-30	27.84	1.5	1.82	30.51
BICV-FS03	12.7	-15	14.11	2	5.02	15.67
BICV-FS04	12.7	-20	18.71	2	4.22	20.67
BICV-FS05	12.7	-25	23.32	2	3.76	25.68
BICV-FS06	12.7	-30	27.92	2	3.46	30.68
BICV-FS07	12.7	-40	37.12	2	3.09	40.68
BICV-FS08	25.4	-25	23.32	2	9.52	25.68
BICV-FS09	25.4	-35	32.52	2	7.17	35.68
BICV-FS10	25.4	-50	46.32	2	5.55	50.68
BICV-FS11	25.4	-75	69.33	2	4.35	75.69
BICV-FS12	25.4	-100	92.33	2	3.76	100.68
BICV-FS13	25.4	-150	138.34	2	3.17	150.68
BICV-FS14	25.4	-200	184.35	2	2.88	200.69
BICV-FS15	25.4	-250	230.36	2	2.7	250.69
BICV-FS16	25.4	-300	276.36	2	2.58	300.68
BICV-FS17	25.4	-500	460.4	2	2.35	500.69
BICV-FS18	25.4	-1000	920.48	2	2.18	1000.69
BICV-FS19	38	-50	46.48	3	11.12	51.02
BICV-FS20	38	-100	92.49	3	6.95	101.03
BICV-FS21	38	-150	138.5	3	5.62	151.03
BICV-FS22	38	-200	184.5	3	4.96	201.02
BICV-FS23	38	-350	322.53	3	4.13	351.03
BICV-FS24	38	-500	460.55	3	3.78	501.02
BICV-FS25	38	-750	690.59	3	3.52	751.02
BICV-FS26	38	-1000	920.64	3	3.39	1001.04
PLCX-FS27	38	300	138.04	4.31	3	297.09
PLCX-FS28	38	500	230.1	3.79	3	497.54
PLCX-FS29	38	750	345.1	3.52	3	747.68
PLCX-FS30	38	1000	460.1	3.39	3	997.73

tags : Glass Double Concave Lenses Glass Bi-concave Lenses Glass DCV Lenses Fused Silica Double Concave Lenses BK7 Double Concave Lenses

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