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Ball lenses

  Effective Focal Length (EFL)

Back  Focal Length (BFL)

Numerical Aperture

 Ball lenses :

Ball lenses are widely used for focusing and coupling light into, and out of fibres. BK7 ball lenses are perfect for visible applications from 350nm through the near infrared. Ball Lenses made out of UV Grade Fused silica  have good UV and IR transmission from 185nm  up to 2000+ nm.

BK7 ball lenses very economical and available in large quality. We manufacture Glass Ball Lenses in sizes ranging from 3mm to 25 mm in diameter.  Our standard lenses are given below.

Specification:

Diameter Range           : 3mm to 25 mm

Dimensions                   : ± 0.005mm

Surface quality             : < 40 - 20

Half Ball Lens

Ball Lens

Note: Special material and size are available upon request. AR coating  available on request.

Kindly contact us for  custom optics

Substrate

Diameter

(mm)

Part No

BK7

3.0

NIR-BBL-03

BK7

4.0

NIR-BBL-04

BK7

5.0

NIR-BBL-05

BK7

6.0

NIR-BBL-06

BK7

8.0

NIR-BBL-08

BK7

10

NIR-BBL-10

BK7

15

NIR-BBL-15

BK7

25

NIR-BBL-25

Substrate

Diameter

(mm)

Part No

BK7

3.0

NIR-BHBL-03

BK7

4.0

NIR-BHBL-04

BK7

5.0

NIR-HBBL-05

BK7

6.0

NIR-HBBL-06

BK7

8.0

NIR-HBBL-08

BK7

10

NIR-HBBL-10

BK7

15

NIR-HBBL-15

BK7

25

NIR-HBBL-25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Contact Us

Nirmal Optronics

Plot # 26,27/Flat A2 - "Shree Enclave",
Car Nagar,
Behind Reliance Fresh on MPM St.
Subramani Nagar Main Road, Perambur
City: Chennai
State: Tamil Nadu
Country: India
Fax No: +91-44-25581282
Phone No: +91-44-25581282
Mobile No: +919003039922

 

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