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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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Laser Components

Magneto-Optic Devices

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Description

Parameters

Cas'Tech Class

Parameters

Optical isolation devices integrated through fiber optic coupling

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 polarimeter, and collimators.

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, analyzer, and collimators.

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 withstand power can reach up to 500 W.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

Keyword:

In-Line fiber optic Isolator

non- polarization-maintaining isolator

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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

Products

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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.

Description

Cas'Tech Class

Parameters

Download

Optical isolation devices integrated through fiber optic coupling

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 polarimeter, and collimators.

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, analyzer, and collimators.

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 withstand power can reach up to 500 W.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

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.

Non-Polarization-Maintaining 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)

Fiber Length(l)

Filter(b)

Housing(h)

IL

(Common)

ID

(Dual stage)

0.3-500 W

1

(HI1060)

...

980-1940 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

...

Typical Specifications
Withstand Power	Insertion Loss	Peak Isolation
5 W	＜0.6 dB , ＜0.8 dB *	＞33 dB , ＞50 dB *
100 W	＜0.6 dB	＞33 dB
500 W	＜0.6 dB	＞33 dB

*Only applicable to single-stage isolator

**Only applicable to dual-stage isolator

Housing dimensions(mm)：

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