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Fiber - Free Space Isolators
Fiber - Free Space Isolators
Fiber - Free Space Isolators
Fiber - Free Space Isolators
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3.1
  • Fiber - Free Space Isolators

  • Fiber-Free Space Isolators can be divided into two categories according to its output mode: non-expanded-beam isolator and expanded-beam isolator.
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Product description:

Fiber-Free Space Isolators can be divided into two categories according to its output mode: non-expanded-beam isolator and expanded-beam isolator.

Non-expanded-beam isolator consists of birefringent crystal, Faraday rotator, half-wave plate or polarizer and collimator.It's usually used in the fiber laser system to maintain the stability of optical system effectively.

Expanded-beam isolator consists of collimator, birefringent crystal, Faraday rotator, half wave plate or polarizer and beam expander. The output beam is characterized by good beam quality  and small divergence angle.

CASTECH utilizes the high-quality crystals and optical components to fabricate Fiber-Free Space Isolators with great performance. The power ranges from 300mW to 200W. The products are featured with high isolation(33dB for single-stage series and 50dB for dual-stage series), low insertion loss, excellent environmental stability and low thermal lens effect.The beam expander helps customers adjust systems magnification with high-quality beam quality output.

 

Applications:

●Fabrication of fiber laser  

●Optical fiber sensor  

●Laser gauge

 

 

 

 

 

 

Non-Expanded-Beam Type Model Number:HPISO-t-p-f-λ-e-b-s-d-h

Type(t)

Power(p)

Fiber Type(f)

Wavelength(λ)

Pigtail Diameter(e)

Beam

Diameter(b)

Stage(s)

Spot Shape(d)

Housing(h)

FF

(NonExpanded

Beam)

1 W

5 W

30 W

50 W

70 W

100 W

200 W

500 W

...

1

(10/125SCF)

2

(20/130DCF)

3

(12/250SCF)

4

(20/250DCF)

5

(30/250DCF)

6

(PM 980)

980 nm

1030 nm

1064 nm

1080 nm

2000 nm

..

C

(6mm Armored

Cable)

E

(8 mm Armored

Cable)

H

(10 mm Armored

Cable)

L

(900 μm Loose

Tube)

N

(Bare fiber)

0.3 mm

0.5 mm

0.7 mm

1.0 mm

2.0 mm

S

(Single)

D

(Dual)

G

(Gauss)

F

(Flat-top)

A08

A09

...

 

 

Typical Specifications

Withstand Power

Damage Threshold

(10 ns, 10 Hz)

Transmittance

Peak Isolation

50 W

10 J/cm² @1064 nm

>93 %*, >90 %**

>33 dB*, >50 dB**

100 W

10 J/cm² @1064 nm

>93 %*, >90 %**

>33 dB*, >50 dB**

 500 W*

10 J/cm² @1064 nm

>93 %

>33 dB

Operating temperature range: 10℃-30℃.

* Only applicable to single-stage isolator

**Only applicable to dual-stage isolator

 

 

Housing dimensions(mm):

 

 


 

 

Expanded-Beam Type Model NumberHPISO-t-p-f-λ-e-b-s-d-h

Type(t)

Power(p)

Fiber Type(f)

Wavelength(λ)

Pigtail Diameter(e)

Beam

Diameter(b)

Stage(s)

Spot Shape(d)

Housing(h)

EB

(Expanded

Beam)

 WLP*

(With Laser

Pointer)

1 W

5 W

30 W

50 W

70 W

100 W

200 W

...

1

(10/125SCF)

2

(20/130DCF)

3

(12/250SCF)

4

(20/250DCF)

5

(30/250DCF)

6

(PM 980)

980 nm

1030 nm

1064 nm

1080 nm

2000 nm

..

C

(6 mm Armored

Cable)

E

(8 mm Armored

Cable)

H

(10 mm Armored

Cable)

L

(900 μm Loose

Tube)

N

(Bare fiber)

5 mm

6 mm

7 mm

8 mm

9 mm

10 mm

11 mm

S

(Single)

D

(Dual)

G

(Gauss)

F

(Flat-top)

A02

A05

A28

A36

A40

...

*The red light indicator type is only applicable to single-stage isolators

 

 

Typical Specifications

Withstand Power

Damage Threshold

(10 ns, 10 Hz)

Transmittance

M2 Deterioration Rate

Peak Isolation

50 W

10 J/cm² @1064 nm

>92 %*, >90 %**

≤10%

>33 dB*, >50 dB**

100 W

10 J/cm² @1064 nm

>92 %*, >90 %**

≤10%

>33 dB*, >50 dB**

500 W

10 J/cm² @1064 nm

>92 %

≤10%

>33 dB

Operating temperature range: 10℃-30℃.

* Only applicable to single-stage isolator

**Only applicable to dual-stage isolator

 

 

Housing dimensions(mm):

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