Basic Info.
Product Description
Ball lenses are commonly used for laser collimating and focusing, laser-to-fiber coupling, fiber-to-fiber coupling, Solar-photovoltaic and fiber-to-detector coupling.
We can provide spherical ball lenses and half ball lenses in a range of substrates for performance in the ultraviolet to the NIR.Such as including H-K9L(N-BK7), Sapphire, CaF2, BaF2, ZnSe or custom materials upon request.
Ball lenses feature short back focal lengths to minimize the distance needed from the ball Lens to the optical fiber.Ball lenses are commonly used to improve signal quality in fiber coupling applications, or for use in endoscopy or bar code scanning applications.
Half-Ball (hemispherical) lenses are ideal for applications such as fiber communication,endoscopy, microscopy, optical pick-up devices,and laser measurement systems.
Specifications of ball lens (Half ball lens)
Item | Parameter (Optical glass ball lens; Half ball lens) |
Material | K9 (BK7), Optical sapphire(ruby) glass, Fused Silica, JGS1, ZnSe, Zns, Ge, Caf2, B270, LaF52, Schott glass |
Diameter | 1~150mm, 1mm, 2mm, 3mm… |
Dia. Tolerance | +/-0.002mm |
Roundness | 0.003-0.005 |
Surface Accuracy | <2λ |
Irregularity | λ/2 @632.8nm |
Surface Quality | <40/20 scratch/dig |
Clear Aperture | >92% |
Focal length tolerance | +/-1% (+/-5% for 400 series) |
Centration | 3 arc min or better |
Coating | Upon customer request |
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Material specification
Glass Materials | Refractive (nd) | Dispersion Coefficient(vd) | Glass Materials | Refractive (nd) | Dispersion Coefficient(vd) |
H-Zlaf90 | 2.00069 | 25.43 | Sapphire | 1.768 | 72.20 |
H-Zlaf50D | 1.804 | 46.58 | ZnSe | 2.403 | N/A |
H-ZF7LA | 1.80518 | 25.46 | Silicon | 3.422 | N/A |
Fused Silica | 1.458 | 67.70 | Germanium | 4.003 | N/A |
H-K9L(N-BK7) | 1.517 | 64.20 | | | |
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Material Characteristics
Fused Silica Ball and Half-Ball Lenses: 1,Excellent UV Transmission (From 200nm to 2.2μm) 2,Low Coefficient of Thermal Expansion | Sapphire and Ruby Ball Lens(Half ball lens): 1,Excellent for Severe Environments 2,High Strength and Hardness 3,High Chemical Stability 4,Ruby Balls are easier to see |
H-K9L (N-BK7) Ball Lenses: 1,Can be Used as Fiber Coupling Spheres or Collimating Lenses 2,Ideal Pre-Forms for Aspheric Lenses 3,Available in a Variety of Sizes | High Index Ball Lenses: 1,Index of Refraction of 1.8-2.0 2,High Tolerance 3,High Index for a Closer Focal Distance |
Inner package
According to product's size and quantity of your order , we will choose the more suitable inner package to ensure the safety and convenient when transport and use.
For more information, please refer to our website: www.made-in-china.com/showroom/ccqh2016
Any interest, feel free to contact me.
Wendy
Tel./Fax +86-431-81939768
Address:
806a, Building B, Caifu Square, No. 998, Jiefang Road, Changchun, Jilin, China
Business Type:
Manufacturer/Factory
Business Range:
Industrial Equipment & Components
Company Introduction:
Changchun Qianhao Photoelectric Co., Ltd was founded in 2002. Our company was separated from a big optical enterprise that controlled by the government. There are 5 workshops in our company. We can manufacture kinds of optical products and now we are reliable supplier for many countries.
Changchun is a famous optical city in China; We took part in the research of No. 5 Shenzhou Spaceship, and provided the optical parts of the spaceship. Products in China are always at a very competitive price. In fact we used to be OEM factory for many companies in Changchun and some other cities. But as the time being, we found the factory was controlled by the orders. So now we want to develop our own market. We got the advantage of price, since we were OEM