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F-Theta Lenses

F-theta lenses are often used in laser marking, laser engraving and laser cutting systems where constant scan rate and linear displacement are required.
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Flat field lenses for galvanometer scanning laser marking, engraving and cutting systems

 

F-theta lenses are often used in laser marking, laser engraving and laser cutting systems where constant scan rate and linear displacement are required. F-theta lenses induce spot distortion over the entire working area, providing a flat field to the image plane so that the spot position is proportional to the scanning angle CASTECH can provide both telecentric and non-telecentric F-theta field mirrors. Due to the use of high quality low-absorption materials, as well as unique polishing and coating technologies, CASTECH's F-theta lenses have high laser damage thresholds. All lenses have standardized threaded interfaces for compatibility and easy assembl.

 

Applications:

● Laser industrial processing

● Laser sensing system

● Ultrafast laser system

 

CASTECH's products are produced independently throughout the entire process and can be customized according to customer needs. Refer to the following list for standard products.

 

 

     

Schematic diagram of F-theta lens

Keyword:
telecentric F-theta lenses
field lens
scanning lens
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We could not find any corresponding parameters, please add them to the properties table

F-Theta Lenses Model Number:FT-a-b-c 

Wavelength

(a)

Focal Distance

(b)

Scan Field

(c)

355 nm

...

109  (109.4 mm)

160  (160 mm)

174  (174.1 mm)

225  (255 mm)

...

63  (63×63 mm)

99  (99×99 mm)

107  (107×107 mm)

158  (158×158 mm)

...

  

 

Typical Specifications

Material

Max Input Beam

Scan Field

Wd

M1/M2

UVFS

6 mm

63x63 mm2

151.5 mm

13/35.5

UVFS

7 mm

99x99 mm2

194.43 mm

13/23

UVFS

10 mm

158x158 mm2

319.7 mm

13/28

 

 

Housing dimensions(mm):

   

Products

F-Theta Lenses
F-Theta Lenses
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2.2
  • F-Theta Lenses

  • F-theta lenses are often used in laser marking, laser engraving and laser cutting systems where constant scan rate and linear displacement are required.
Description
Parameters
CAS'TechClass
Download

Flat field lenses for galvanometer scanning laser marking, engraving and cutting systems

 

F-theta lenses are often used in laser marking, laser engraving and laser cutting systems where constant scan rate and linear displacement are required. F-theta lenses induce spot distortion over the entire working area, providing a flat field to the image plane so that the spot position is proportional to the scanning angle CASTECH can provide both telecentric and non-telecentric F-theta field mirrors. Due to the use of high quality low-absorption materials, as well as unique polishing and coating technologies, CASTECH's F-theta lenses have high laser damage thresholds. All lenses have standardized threaded interfaces for compatibility and easy assembl.

 

Applications:

● Laser industrial processing

● Laser sensing system

● Ultrafast laser system

 

CASTECH's products are produced independently throughout the entire process and can be customized according to customer needs. Refer to the following list for standard products.

 

 

     

Schematic diagram of F-theta lens

F-Theta Lenses Model Number:FT-a-b-c 

Wavelength

(a)

Focal Distance

(b)

Scan Field

(c)

355 nm

...

109  (109.4 mm)

160  (160 mm)

174  (174.1 mm)

225  (255 mm)

...

63  (63×63 mm)

99  (99×99 mm)

107  (107×107 mm)

158  (158×158 mm)

...

  

 

Typical Specifications

Material

Max Input Beam

Scan Field

Wd

M1/M2

UVFS

6 mm

63x63 mm2

151.5 mm

13/35.5

UVFS

7 mm

99x99 mm2

194.43 mm

13/23

UVFS

10 mm

158x158 mm2

319.7 mm

13/28

 

 

Housing dimensions(mm):

   

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