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Jilin Tianhua Opto-electrical Technology Development Co., Ltd.
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lenses
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1
bi-convex cylindrical lenses
Specification: according the request of the customer
Detail: Bi-Convex Cylindrical Lenses Material: BK7 or other optical materials Center Thickness:±0.2mm ~ ±0.03mm Focal Length Tolerance±2% ~ ±0.5% Surface Quality:60/40 ~ 10/5 Surface Figure:λ/2 /632.8nm ~ λ/20 /63...
2
meniscus lenses
Specification: according the request of the customer
Detail: Meniscus lenses are convex-concave lenses. They have one outward curved face and one inward-curved face. If the outward curve is sharper than the inward curve, the lens has a positive focal length and acts as a magnifier.Posit...
3
bi-convex lenses
Specification: according the request of the customer
Detail: Bi-convex lenses are used as magnifiers, objectives, condensing systems. Since both surfaces contribute to the power of biconvex lenses, they have shorter focal length than PCX lenses of equal diameter and surface radius. M...
4
bi-concave lenses
Specification: according the request of the customer
Detail: Bi-concave lenses with both curved sides have negative focal length, and are used for image reduction and to spread light. Material: BK7 , Silica andothers Focal length tolerance:±2% ~ ±0.5% Diameter tolerance:±0.2...
5
plano-concave lenses
Specification: according the request of the customer
Detail: Plano-Concave Lenses have negative focal lengths. These lenses diverge collimated incident light. They form virtual images which are seen through the lens. They are often used to expand light or to increase focal lengths in...
6
plano-convex lenses
Specification: according the request of the customer
Detail: Plano-Convex Lenses areused for focusing beams in telescopes, collimators or condenser systems, optical transceivers or other applications. Main specifications: •Material: BK7 or other optical glass, fused silica, CaF2...
7
ball lenses
Specification: according the request of the customer
Detail: Ball lenses have an even higher index of refraction, providing a shorter back focal length, which simplifies fiber coupling.Other uses include endoscopy, bar code scanning, ball pre-forms for aspheric lenses, and sensor applic...
8
fresnel lenses
Specification: according the request of the customer
Detail: Fresnel lens can capture more oblique light from a light source, thus allowing the light from a lighthouse equipped with one to be visible over greater distances. Fresnel lenses were later produced, being used for automobile h...
9
rod lenses
Specification: according the request of the customer
Detail: Rod Lenses are generally used as light pipes. Its optical principle is similar to fiber optics where light can be transmitted from one end to the other with relatively small leakage. Rod Lenses can be used as Cylindrical Lense...
10
beam splitters
Specification: according the request of the customer
Detail: Beam splitters: When a light beam is incident onto a surface inclined at an angle of incidence to the incoming beam, the reflected and transmitted light becomes partially polarised. This can be resolved into two components ...
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Tel : 86-431- 85175526 Fax : 86-431-85179189
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