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In-line Isolators
In-line Isolators
In-line Isolators
In-line Isolators
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  • In-line Isolators

  • In-line isolators can be divided into two categories according to the fiber types: non-polarization-maintaining and polarization-maintaining in-line isolators.
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Product description:

In-line isolators can be divided into two categories according to the fiber types: non-polarization-maintaining and polarization-maintaining in-line  isolators.

The non-polarization-maintaining type consists of birefringent crystals, Faraday rotator, half-wave plate or polarizer, and collimators. It is usually used in the fiber laser system to maintain the stability of optical system effectively.

The polarization-maintaining type can achieve the steady transmittance of linear polarized light and remain the polarization state unchanged. It consists of input polarizer, Faraday rotator, half-wave plate or polarizer, output polarizer, and collimators. In applications, this type of isolator is used to maintain the stability of the system's polarization state. CASTECH produces in-line isolators with high isolation, high power handling, high return loss, low insertion loss, excellent environmental stability and high reliability, operating in the wavelength range of 850~2000nm and power range of 0.3~500W. The connection types of the fiber tail can be bare fiber or FC/APC.

 

Applications

●EDFA  

●DWDM Systems  

●Optical coherence detection

●Laser sensing  

●Fiber communication

 

 

 

 

 

Non-Polarization-Maintaining Type Model Number:HPISO-t-p-f-λ-e-l-b-h

Type(t)

Power(p)

Fiber Type(f)

Wavelength(λ)

Pigtail Diameter(e)

Fiber Length(l)

Filter(b)

Housing(h)

IL

(Common)

ID

(Dual Stage) 

0.3 W

5 W

30 W

50 W

100 W

200 W

500 W

...

1

(HI1060)

2

(10/125SCF)

3

(20/130DCF)

4

(12/250DCF)

5

(20/250DCF)

6

(30/250DCF)

980 nm

1030 nm

1064 nm

1940 nm

...

L

(900 μm Loose

Tube)

B

(3 mm Loose

Tube)

1

(1 m)

2

(1.5 m)

C

(Contained)

N

(Not contained)

 

A03

A08

A17

A31

...

 

 

Typical Specifications

Withstand Power

Insertion Loss

Peak Isolation

5 W

<0.8 dB*, <1.0 dB**

>33 dB*, >50 dB**

30 W

<0.8 dB*, <1.0 dB**

>33 dB*, >50 dB**

100 W

<0.8 dB

>33 dB

 500 W

<0.8 dB

>33 dB

Operating temperature range: 10℃-30℃.

* Only applicable to single-stage isolator

**Only applicable to dual-stage isolator

 

 

Housing dimensions(mm):

A03

A17

A08

A31

 

 


 

 

Polarization-Maintaining Type Model Number:HPISO-t-p-f-λ-e-l-b-h

Type(t)

Power(p)

Fiber Type(f)

Wavelength(λ)

Pigtail Diameter(e)

Fiber Length(l)

Filter(b)

Housing(h)

IL

(Common)

ID

(Dual Stage) 

0.3 W

5 W

30 W

50 W

120 W

200 W

500 W

...

7

(PM 980)

8

(PM10/125SCF)

9

(PM20/130DCF)

980 nm

1030 nm

1064 nm

1940 nm

...

L

(900 μm  Loose

Tube)

B

(3 mm  Loose

Tube)

1

(1 m)

2

(1.5 m)

C

(Contained)

N

(Not contained)

 

A01

A25

...

 

 

Typical Specifications

Withstand Power

Extinction Ratio

Insertion Loss

Peak Isolation

0.3 W

>20 dB

<1.0 dB

>33 dB

10 W

>20 dB

<1.0 dB*, <1.2 dB**

>33 dB*, >50 dB**

20 W

>20 dB

<1.0 dB*, <1.2 dB**

>33 dB*, >50 dB**

50 W

>20 dB

<1.0 dB

>33 dB

Operating temperature range: 10℃-30℃.

* Only applicable to single-stage isolator

**Only applicable to dual-stage isolator

 

Housing dimensions(mm):

A01

A25

 

 

     

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