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Fiber To Free Space Isolators

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Fiber To Free Space Isolators

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Product description:

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

The 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 and to maintain the stability of optical system effectively.

The expanded-beam isolator consists of collimator, birefringent crystal, Faraday rotator, wave plate or optical rotating mirror and beam expanding mirror. The output beam is characterized by larger spot diameter and small divergence angle.

CASTECH utilizes the high-quality crystals and optical components for production of Fiber-Free Space Isolators to deliver great performance which power can reach from 10W to 500W. The products are featured with high isolation(single-stage series 35dB, dual-stage series 50dB), low insertion loss, excellent environmental stability and free of thermal lens effect. The beam expanders facilitate customers replacing systems with superior beam quality of desired size spots.

 

Applications:

● Fabrication of fiber Laser

● Optical fiber sensor

● Laser gauge etc

 

Iintroduction:

 
Single Stage
Dual Stage
With Laser Pointer
Non-Expanded Beam
Center Wavelength
980/1030/1064nm
980/1030/1064nm
1064nm
980/1030/1064nm
Operating Wavelength Range
≥±10nm
≥±20nm
≥±10nm
≥±10nm
Peak Isolation
≥35
≥45
≥35
≥35
Isolation in Band at 23℃
≥25
≥35
≥25
≥25
Insertion Loss at 23℃
≤0.4
≤0.6
≤0.5
≤0.4
Polarization Dependent Loss
≤0.15
≤0.15
≤0.15
≤0.15
Return Loss (Input/Output)
≥50
≥50
≥50
≥50
M2 Degradation
<10%
<10%
<10%
<10%
Output Beam Diameter(1/e2)
6,7,8mm Can be customized
0.5mm Can be customized
Optical Power(Average)
20,30,50,100,200W,500W Can be customized
Peak Pulse Power
50KW, Can be customized
Laser Pointer
/
/
/
650nm,<5mW,>1m
Fiber Type
LMA Fiber / PM Fiber or others
LMA Fiber / PM Fiber or others
LMA Fiber / PM Fiber or others
LMA Fiber / PM Fiber or others
Operating Temperature Range
10-50℃
10-50℃
10-50℃
10-50℃
Storage Temperature Range
-10-60℃
-10-60℃
-10-60℃
-10-60℃

 

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We could not find any corresponding parameters, please add them to the properties table
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)
EB
20
PM Fiber
1064
C
7
S
 
A01
EB
50
Non-PM Fiber
1064
C
7
S
 
A02
EB
50
Non-PM Fiber
1064
C
7
S
 
A03
EB
70
Non-PM Fiber
1064
C
7
S
 
A04
EB
100
Non-PM Fiber
1064
C
7
S
 
A05
EB
200
Non-PM Fiber
1064
C
7
S
 
A06
WLP
150
Non-PM Fiber
1064
C
7
S
 
A07
FF
70
Non-PM Fiber
1064
C
/
S
 
A08
WLP
50
Non-PM Fiber
1064
C
7
S
 
A09
EB
50
Non-PM Fiber
1064
C
7
D
 
A10
EB
100
Non-PM Fiber
1064
C
7
D
 
A11
FF
100
Non-PM Fiber
1064
C
/
D
 
A12
EB
30
Non-PM Fiber
1064
C
7
S
 
A13
FF
1
PM Fiber
1064
1
S
 
A14
EB
200
非PM Fiber
1064
C
9
S
 
A15
EB
200
PM Fiber
1064
E
7
S
 
A16
EB
20
Non-PM Fiber
1064
C
8
S
 
A17
EB
20
Non-PM Fiber
1064
C
7
S
 
A18
EB
200
Non-PM Fiber
1064
C
7
D
 
A19
EB
100
Non-PM Fiber
1064
C
7
S
 
A20
EB
50
Non-PM Fiber
1064
C
7
S
 
A21
FF
70
Non-PM Fiber
1064
C
/
S
 
A22
FF
70
Non-PM Fiber
1064
C
/
S
 
A23
WLP
100
Non-PM Fiber
1064
C
7
S
 
A24
EB
20
Non-PM Fiber
1064
C
7
S
G
A25
EB
20
Non-PM Fiber
1064
C
7
S
G
A26
FF
20
Non-PM Fiber
1064
C
/
S
 
A27
FF
20
Non-PM Fiber
1064
C
/
S
 
A28
EB
100
PM Fiber
1064
C
7
S
 
A29
EB
100
PM Fiber
1064
C
7
D
 
A30
FF
1
PM Fiber
1064
L
1
S
G
A31
EB
500
Non-PM Fiber
1064
C
7
S
 
A32
WLP
20
Non-PM Fiber
1064
C
7
S
G
A33
FF
20
Non-PM Fiber
1064
C
/
S
 
A34
FF
500
Non-PM Fiber
1064
L
/
S
G
A36
WLP
50
Non-PM Fiber
1064
C
7
S
 
A37
FF
50
PM Fiber
1064
C
5
S
G
A38
FF
200
PM Fiber
1064
C
5
S
G
A39

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