All Categories

FILTER PRODUCTS

to
to
to
  1. Home
  2. Optics
  3. Lenses
  4. Spherical
  5. Bi-Concave

Page 2 - Bi-Concave Spherical

YuTai Optics Double-Concave Lens
Yutai Optics
Add to watch list
YuTai Optics Double-Concave Lens
A double-concave lens is compose of two concave surface, has a negative focal length and are best used to diverge a converging beam. Similar to a plano-concave lens, a bi-concave lens can diverge a collimated beam to a virtual focus like a beam expander.

Specifications
Material: BK7, FS, CaF2, Si, Ge
Diameter: 300 mm
Focal Length: -- mm
Edge Thickness, Te: -- mm
Lens Type: Bi-Concave
Data Sheet
Laser Line Lenses
Qingdao Blanc Co., Ltd
Add to watch list
Laser Line Lenses
Convex Lenses have a positive focal length, making them ideal for collecting and focusing light. Concave Lenses have a negative focal length, making them ideal for diverging light. And these lenses are designed with high laser damage threshold at desired wavelength. 

Specifications
Material: BK7, UVFS
Diameter: 25.4 mm
Focal Length: 200 mm
Edge Thickness, Te: 3 mm
Lens Type: Plano-Convex, Plano-Concave, Bi-Convex, Bi-Concave
Data Sheet
West Coast Tech Limited Double-Concave Lens
West Coast Tech
Add to watch list
West Coast Tech Limited Double-Concave Lens
Double-concave lens is normally used in combination with other lenses. Typical applications include laser beam expanders, optical character readers, viewers, and projection systems. 

Specifications
Material: BK7, FS, CaF2, Si, Ge
Diameter: 150 mm
Focal Length: Custom mm
Edge Thickness, Te: Custom mm
Lens Type: Bi-Concave
Data Sheet
LDA601 Double-Concave Lens
Sunny Precision Optics
Add to watch list
LDA601 Double-Concave Lens
Double-Concave Lenses for applications in vision, laser optics, and more. 

Specifications
Material: BK7
Diameter: 6.0 mm
Focal Length: -9.8 mm
Edge Thickness, Te: 2.9 mm
Lens Type: Bi-Concave
Data Sheet
Ross Optical Fused Silica Lenses
Ross Optical
Add to watch list
Ross Optical Fused Silica Lenses
Fused Silica material has advantages over regular optical glasses. It is often used in deep UV or NIR systems due to its high transmission in those spectral regions. Due to the material’s inherently hard SiO2 amorphous structure and its exceptional chemical homogeneity, it displays high laser damage threshold and endures high ...

Specifications
Material: FS
Diameter: 50 mm
Focal Length: Custom mm
Edge Thickness, Te: Custom mm
Lens Type: Plano-Convex, Plano-Concave, Bi-Convex, Bi-Concave
Data Sheet
OPTIMAX Spherical Lens
Optimax
Add to watch list
OPTIMAX Spherical Lens
Freeforms are optical shapes or optical surfaces that are designed with little to no symmetry. Manufacturing a freeform is similar to that of a highly complex asphere; surface form and local slope change are all factors that influence the complexity of the shape and the manufacturing process used.

Specifications
Material: BK7, FS, UVFS, CaF2, ZnSe, Si, Ge, H-K9L, BaF2, MgF2, H-ZF13
Diameter: 3 mm
Focal Length: Custom mm
Edge Thickness, Te: Custom mm
Lens Type: Plano-Convex, Plano-Concave, Bi-Convex, Bi-Concave
Data Sheet
ONTF Cemented Lenses
ONTF Company
Add to watch list
ONTF Cemented Lenses
Cemented lenses constituents can be made of all types of fine-annealing colourless optical glass and fused silica. Optical adhesives  UVN2000 and Vitralit 7256 which are solidifying  by UV-radiation are used for lens cementing. Other optical adhesives can be used at the customer\'s request. 

Specifications
Material: BK7, FS, UVFS, CaF2, ZnSe, Si, Ge, H-K9L, BaF2, MgF2, H-ZF13
Diameter: 120 mm
Focal Length: Custom mm
Edge Thickness, Te: Custom mm
Lens Type: Plano-Convex, Plano-Concave, Bi-Convex, Bi-Concave
Data Sheet
ONTF Biconcave Lens
ONTF Company
Add to watch list
ONTF Biconcave Lens
Lenses can be made of all types of fine-annealing colourless optical glass and fused silica. 

Specifications
Material: BK7, FS, UVFS, CaF2, ZnSe, Si, Ge, H-K9L, BaF2, MgF2, H-ZF13
Diameter: 180 mm
Focal Length: Custom mm
Edge Thickness, Te: Custom mm
Lens Type: Bi-Concave
Data Sheet
Golden Vue Optics BK7 Double Concave Lenses
Golden Vue Optics
Add to watch list
Golden Vue Optics BK7 Double Concave Lenses
Double concave lens is ideal for beam expansion, light projection, and expanding the focal length of an optical system.

Specifications
Material: BK7
Diameter: Custom mm
Focal Length: Custom mm
Edge Thickness, Te: Custom mm
Lens Type: Bi-Concave
Data Sheet
03BCC-127-15-A N-SF11 BI-CONCAVE LENS
Frontier Optics
Add to watch list
03BCC-127-15-A N-SF11 BI-CONCAVE LENS
12.7 MM DIA X -15 MM FL, BI-CONCAVE, A COATING. This lens by Frontier Optics is used in various applications, such as laser optics, military, OEM, vision, and more. 

Specifications
Material: BK7, FS, UVFS, CaF2, ZnSe, Si, Ge, H-K9L, BaF2, MgF2, H-ZF13
Diameter: 12.7 mm
Focal Length: -15.0 mm
Edge Thickness, Te: 4.7 mm
Lens Type: Bi-Concave
Data Sheet
CIMCOOP PRE-GENERATED Si AND GE LENS BLANKS
Cimcoop
Add to watch list
CIMCOOP PRE-GENERATED Si AND GE LENS BLANKS
We offer pre-generated optical grade Si and Ge blanks. Our CNC grinding equipment provides high-precision, polish ready finishes using tooling down to D15. Having Cimcoop generate your spherical curves can save you valuable production time and improve your cost efficiency.  

Specifications
Material: Si, Ge
Diameter: 152 mm
Focal Length: Custom mm
Edge Thickness, Te: Custom mm
Lens Type: Plano-Convex, Plano-Concave, Bi-Convex, Bi-Concave
Data Sheet
CIMCOOP Si AND GE LENS BLANKS
Cimcoop
Add to watch list
CIMCOOP Si AND GE LENS BLANKS
Silicon and Germanium are used as a substrate materials for the production of IR lenses and windows operating in the mid-wave (MWIR) and long-wave (LWIR) infrared  ranges. Cimcoop has over 25 years of experience in crystal growing is delivering IR lens blanks in round, rectangular and other complex ...

Specifications
Material: Si, Ge
Diameter: 152 mm
Focal Length: Custom mm
Edge Thickness, Te: Custom mm
Lens Type: Plano-Convex, Plano-Concave, Bi-Convex, Bi-Concave
CIMCOOP SPHERICAL LENSES
Cimcoop
Add to watch list
CIMCOOP SPHERICAL LENSES
Cimcoop has extensive experience in the production of spherical optics in the visible waveband. During our production we are using advanced CNC production technology coupled with the most reliable and widely recognized measurement systems on the market. Various custom configiurations are possible including cementing of doublets and ...

Specifications
Material: BK7, FS, UVFS, CaF2, ZnSe, Si, Ge, H-K9L, BaF2, MgF2, H-ZF13
Diameter: 130 mm
Focal Length: Custom mm
Edge Thickness, Te: Custom mm
Lens Type: Plano-Convex, Plano-Concave, Bi-Convex, Bi-Concave
Data Sheet
Bi-Concave Lens MgF2
CHANGCHUN QIANHAO
Add to watch list
Bi-Concave Lens MgF2
Bi-Concave Lens MgF2

Specifications
Material: MgF2
Diameter: Custom mm
Focal Length: Custom mm
Edge Thickness, Te: Custom mm
Lens Type: Bi-Concave
Data Sheet
Bi-Concave Lens N-BK7
CHANGCHUN QIANHAO
Add to watch list
Bi-Concave Lens N-BK7
Bi-Concave Lens N-BK7

Specifications
Material: BK7
Diameter: Custom mm
Focal Length: Custom mm
Edge Thickness, Te: Custom mm
Lens Type: Bi-Concave
Data Sheet
Bi-Concave Lens H-LAK 10
CHANGCHUN QIANHAO
Add to watch list
Bi-Concave Lens H-LAK 10
Bi-Concave Lens H-LAK 10

Specifications
Material: BK7, FS, UVFS, CaF2, ZnSe, Si, Ge, H-K9L, BaF2, MgF2, H-ZF13
Diameter: Custom mm
Focal Length: Custom mm
Edge Thickness, Te: Custom mm
Lens Type: Bi-Concave
Data Sheet
Zinc Selenide Lens
Alpha Optics
Add to watch list
Zinc Selenide Lens
Zinc Selenide lenses are an excellent choice of materials for IR lenses for application between 600 nm to 16 microns wavelengths. Its low absorption coefficient makes it a perfect candidate for applications/instruments using C02 lasers. In mid IR regime it has a very low GVD which makes it suitable for applications using femtosecond ...

Specifications
Material: ZnSe
Diameter: Custom mm
Focal Length: Custom mm
Edge Thickness, Te: Custom mm
Lens Type: Plano-Convex, Plano-Concave, Bi-Convex, Bi-Concave
Data Sheet
Zinc Sulfide Lens
Alpha Optics
Add to watch list
Zinc Sulfide Lens
Zinc Sulfide (ZnS), Regular Grade. A Chemically Vapor Deposited (CVD) material, ZnS (regular) has good imaging quality over the 8-12µm band. It also transmits in the 3-5µm band, but with higher absorption and scatter. The material exhibits high strength and hardness, and good resistance to hostile environments. The ZnS regular is 50% ...

Specifications
Material: ZnSe
Diameter: Custom mm
Focal Length: Custom mm
Edge Thickness, Te: Custom mm
Lens Type: Plano-Convex, Plano-Concave, Bi-Convex, Bi-Concave
Data Sheet
Sapphire IR Lens
Alpha Optics
Add to watch list
Sapphire IR Lens
Sapphire lenses are suitable for high power, high-pressure applications, and vacuum or corrosive atmospheres. Sapphire is a single crystal form of alumina, Al2O3. The material is extremely hard and resistant to attack by strong acids. It has high compressive strength, a high melting point, and excellent thermal conductivity. ...

Specifications
Material: BK7, FS, UVFS, CaF2, ZnSe, Si, Ge, H-K9L, BaF2, MgF2, H-ZF13
Diameter: Custom mm
Focal Length: Custom mm
Edge Thickness, Te: Custom mm
Lens Type: Plano-Convex, Plano-Concave, Bi-Convex, Bi-Concave
Data Sheet
Calcium Fluoride IR Lens
Alpha Optics
Add to watch list
Calcium Fluoride IR Lens
Calcium Fluoride lenses are an excellent choice of material for making lenses for UV to NIR wavelength (180 nm-8 microns). It has a high average transmission and low chromatic aberration compared to various IR materials. In NIR regime it has a very low GVD which makes it suitable for applications using femtosecond IR pulses.Calcium ...

Specifications
Material: CaF2
Diameter: Custom mm
Focal Length: Custom mm
Edge Thickness, Te: Custom mm
Lens Type: Plano-Convex, Plano-Concave, Bi-Convex, Bi-Concave
Data Sheet
Germanium IR Lens
Alpha Optics
Add to watch list
Germanium IR Lens
Germanium is most widely used for lenses and windows in infrared systems operating in the 2-12 µm range. Due to wide transmission range and opaque in the visible, Ge is well suited for manufacturing of optical components for IR applications in lasers and optical systems. Germanium’s high refractive index makes Ge ideal for low power ...

Specifications
Material: Ge
Diameter: Custom mm
Focal Length: Custom mm
Edge Thickness, Te: Custom mm
Lens Type: Plano-Convex, Plano-Concave, Bi-Convex, Bi-Concave
Data Sheet
Silicon IR Lens
Alpha Optics
Add to watch list
Silicon IR Lens
Silicon (Si) is grown by Czochralski (CZ) pulling techniques. CZ Silicon is commonly used as substrate material for infrared reflectors and windows in the 1.5 - 8 micron region. The strong absorption band at 9 microns makes it unsuitable for CO2 laser transmission applications, but it is frequently used for laser mirrors because of ...

Specifications
Material: Si
Diameter: Custom mm
Focal Length: Custom mm
Edge Thickness, Te: Custom mm
Lens Type: Plano-Convex, Plano-Concave, Bi-Convex, Bi-Concave
Data Sheet
Custom Spherical Lens
Alpha Optics
Add to watch list
Custom Spherical Lens
Alpha custom make optics with surfaces that are non-rotationally symmetric surface or a symmetric surface that is rotated about any axis that is not its axis of symmetry. These surfaces offer added degrees of freedom that can lead to lower wavefront error and smaller system size as compared to rotationally symmetric surfaces. These ...

Specifications
Material: BK7
Diameter: Custom mm
Focal Length: Custom mm
Edge Thickness, Te: Custom mm
Lens Type: Plano-Convex, Plano-Concave, Bi-Convex, Bi-Concave
Data Sheet
Spherical Micro Lens
Alpha Optics
Add to watch list
Spherical Micro Lens
Single microlenses are used to couple light to optical fibres while microlens arrays are often used to increase the light collection efficiency of CCD arrays. Microlens arrays are also used in some digital projectors to focus light to the active areas of the LCD used to generate the image to be projected. Microlens arrays have been ...

Specifications
Material: FS
Diameter: 0.8 mm
Focal Length: Custom mm
Edge Thickness, Te: Custom mm
Lens Type: Plano-Convex, Plano-Concave, Bi-Convex, Bi-Concave
Data Sheet
AL24-Fused Silica Double-Concave Lenses
Align Optics
Add to watch list
AL24-Fused Silica Double-Concave Lenses
AL24-Fused Silica Double-Concave Lenses.

Specifications
Material: FS
Diameter: 6.3 mm
Focal Length: -6.3 mm
Edge Thickness, Te: 3.76 mm
Lens Type: Bi-Concave
Data Sheet