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1064 nm 500 W Fiber to Free Space Isolator

It is the best choice for high power industrial pulse fiber lasers.
  • Product Detail

AFR’s High Power Fiber to Free Space Isolator (HPFSI) is the best choice for high power industrial pulse fiber lasers. A newly designed isolator can handle 500 W average laser power and at competitive cost. It also can integrated with AFR’s patented SteadiBeam™ and SeasonBeam™ technologies to achieve thermal lensing-free beam quality and temperature insensitive high isolation.

Specifications 1

Optical Parameter

Unit

Value

Operating Wavelength (λc)

nm

1064 ± 30

Max. Insertion Loss at 23 ℃, at λc

dB

0.4

Typ. Isolation at 23 ℃, at λc                             

dB

38

Min. Isolation at 23 ℃, at λc                                                                    

dB

30

Min. Isolation at all temperature, at  λc             

dB

20

Min. Return Loss                                          

dB

50

Nominal Output Beam Diameter (1/e²)a

mm

2.0 ± 0.2

Beam Circularity

%

> 90

M2 Degradation

%

< 10

Max. Average Optical Power

W

500

Max. Peak Power for ns Pulse

kW

50

Beam Offset

mm

± 0.5

Pointing Error

mrad

 2.5

Astigmatism

Z

< 0.25R

a) Optional beam expander available for different beam diameter.



Specifications 2

Fiber and Conditions

Unit

Value

Fiber Type

-

Specified by ordering info

Cooling

-

Water

Water Quality                        

-

Purified or Distilled Water

Flow Rate                                                          

L/min

1.5 - 2.5

Water Pressure          

Mpa

≤ 0.3

Water Temperature                                          

-

≥ 5 °C above Dew Point Temperature

Water PH Value

-

5.6 - 7.9

Reverse Power Handling

W

200 W Continuous

Operating Temperature 

 + 10 to + 50

Storage Temperature

 - 10 to + 60

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