standard Product

Polarizing Optics

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| Wollaston Prisms | Rochon Prism | Birefringent Wedges |


Birefringent Wedges

CASIX have strong ability to provide the large birefringent crystal wedges. These wedges are widely used in fiber optics such as isolators (see the drawing) and other applications.

The simple demonstrations of how the YVO4 crystals are used in Fiber Optic Isolator, Fiber Optic Circulators and Beam Displacers are listed as following:

wedge.JPG (15773 bytes)

yvo44.JPG (6891 bytes)

Circulator.JPG (22187 bytes)

CASIX has established a stable and mass production line of YVO4 crystal growth and optical fabrication for fiber optics polarizing elements. CASIX provides standard YVO4 components with off-the-shelf delivery. We supply YVO4 crystals for OEM customers in large quantities. Customer-made YVO4 components are also provided.

YVO4 Birefringent Wedge

Isolator.JPG (16102 bytes)Specifications

Material: YVO4
Aperture:
1.0 x 1.0 mm2 to 2.0 x 2.0 mm2
Dimension Tolerance:
¡À0.05mm
Length:
0.5 - 10 mm
Wedge Angle:
0.2
¡ã- 20¡ã
Wedge Angle Tolerance:
¡À0.5¡ã
Flatness:
l/4 @ 632.8 nm
Surface Quality:
20-10 scratch and dig.
AR/AR Coating:
R<0.2% at central wavelength

¡¡

Part No

Crystal

XL (mm)

Y(mm)

Z(mm)

q

f

AR@

Unit Price

1-10 pcs

100-200 pcs

1000 pcs

BWG3055

YVO4

0.5

1.4

1.4

5¡ã

22.5¡ã

1550nm

$40

$23

$17

BWG3085

YVO4

0.5

1.4

1.4

8¡ã

22.5¡ã

1550nm

$40

$23

$17

BWG3053

YVO4

0.5

1.4

1.4

5¡ã

22.5¡ã

1310nm

$40

$23

$17

BWG3083

YVO4

0.5

1.4

1.4

8¡ã

22.5¡ã

1310nm

$40

$23

$17

Note: Other sizes and coating are available upon request.

¡¡

LiNbO3 Birefringent Wedge

Isolator.JPG (16102 bytes)Specifications

Material: LiNbO3
Aperture:
1.0 x 1.0 mm2 to 2.0 x 2.0 mm2
Dimension Tolerance:
¡À0.05mm
Length:
0.5 - 10 mm
Wedge Angle:
0.2
¡ã- 20¡ã
Wedge Angle Tolerance:
¡À0.5¡ã
Flatness:
l/4 @ 632.8 nm
Surface Quality:
20-10 scratch and dig.
AR/AR Coating:
R<0.2% at central wavelength

¡¡

Part No

Crystal

XS (mm)

Y(mm)

Z(mm)

q

f

AR@

Unit Price

1-10 pcs

100-200 pcs

1000 pcs

BWG2135

LiNbO3

0.25

1.25

1.25

13¡ã

22.5¡ã

1550nm

$35

$20

$15

BWG2155

LiNbO3

0.25

1.25

1.25

15¡ã

22.5¡ã

1550nm

$35

$20

$15

BWG2133

LiNbO3

0.25

1.25

1.25

13¡ã

22.5¡ã

1310nm

$35

$20

$15

BWG2153

LiNbO3

0.25

1.25

1.25

15¡ã

22.5¡ã

1310nm

$35

$20

$15

Note: Other sizes and coating are available upon request.


Copyright  1998 CASIX, Inc. All rights reserved. Last Revised: Feb 1, 1999
Web Page maintained by : Contact@CASIX.com

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