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Changchun New Industries Optoelectronics Technology Co., Ltd.
Lasers, Optics & Photonics

Products
Lasers
Spectrum Analysis
Laser Application Systems
Laser Measurement & Safety
Laser Marking
Laboratory Instruments
Optics & Coatings
Components & Accessories
Fiber-Coupled LEDs
Customized Products
 
Components & Accessories
Laser Diode
Laser Optics
Fiber for Laser Coupling
Beam Expander
AOM and Shutter
Multi-function Optical System
Variable Attenuator
Laser Goggles

<<More

 
Customer Service
TTL or Analog Modulation
Fiber Coupling
Coating Service
Laser Marking Service
Complete Solution
 
Contact CNI
Tel: +86-431-85603799 / 89216078
國內: 0431-87020257 / 89216068
Fax:    +86-431-87020258
E-mail:  [email protected]
 

Optics Assemblies

CNI design and manufacture of precision optical components and assemblies. As described in the customer solutions, we have strong capability to design and fabricate custom made optics with variously optical materials.


Glan Prisms

 

Glan-Taylor Polarizers

Material

a-BBO, Calcite, YVO4

Wavelength Range

a-BBO: 220-3000nm; Calcite: 350-2300nm; YVO4: 500-4000nm

Extinction Ratio

<5x10-6

Surface Quality

20/10 scratch and dig

Beam Deviation

< 3 arc minutes

Wavefront Distortion

λ/[email protected]

Damage Threshold

>10MW/cm2

Coating

Single Layer [email protected]m

Mount

Black Anodized

 

Glan-Laser Polarizer
Glan Polarizer is made of two Select-Grade Calcite Prism pair with the prism interface angles optimized for minimum insertion loss, which are assembled with Air-Spaced. Glan Laser Polarizer has two escape windows that allow the rejected beam to escape out of the polarizer. Normally they can be used in Q-switched laser cavities and other multiple pass applications.

Material

a-BBO, Calcite, YVO4

Wavelength Range

a-BBO: 220-3000nm; Calcite: 350-2300nm; YVO4: 500-4000nm

Extinction Ratio

<5x10-6

Surface Quality

20/10 scratch and dig

Beam Deviation

< 3 arc minutes

Wavefront Distortion

λ/[email protected]

Damage Threshold

>500MW/cm2

Coating

Single Layer [email protected]m

Mount

Black Anodized

 

 

Glan-Thompson Polarizer

Material

Calcite

Wavelength Range

400-2300nm

Extinction Ratio

<5x10-6

Surface Quality

20/10 scratch and dig

Beam Deviation

< 3 arc minutes

Wavefront Distortion

λ/[email protected]

Damage Threshold

>10MW/cm2

Coating

Single Layer [email protected]m

Mount

Black Anodized Aluminum

 

Beam Expander

A beam expander is any optical system designed to increase the diameter of a laser beam. In most cases, the term is taken to mean a telescope designed to take a small-diameter collimated beam input beam and produce a larger diameter collimated output beam, thus reducing the divergence of the beam. The beam expander consists of a negative input lens and a positive objective. The expansion factor is the ratio of the focal length of the two lenses.

 

BE Series Beam Expander for Beam Size of ≤2mm Diameter

Specifications

Part No.

Expansion ratio

Dimensions  (mm)

BE-2x

2X

Φ25*50

BE-3x

3X

Φ25*50

BE-5x

5X

Φ25*50

BE-10x

10X

Φ30*65

BEW Series Beam Expander for Beam Size of 4-10mm Diameter

Specifications

Part No.

Expansion ratio

Dimensions  (mm)

BEW-2x

2X

Φ29*51

BEW-3x

3X

Φ36*74

BEW-5x

5X

Φ46*109

BEW-10x

10X

Φ86*197

Note:  These series beam expanders are offered for UV, visible and infrared lasers respectively. Please let me know which wavelength you want before order.

Variable Attenuator

CNI provide two kinds of variable attenuators for different application. The circular variable attenuator can make the optical density linearly varies around a 0°-270° circle for measuring laser energe farthest. As for the square one, the optical density linearly varies across the length for measuring laser energe.

 

Circular Variable Attenuator

 

        

Material

BK7grade A optical glass, Fused silica

Optical Density Range

OD0-OD3

Outside Diameter

Φ54mm±0.25

Dimension

54*42*67mm

Linearity of Density

±5%@632.8nm

Coating

S1:Ni-Cr-Fe; S2:Boardband AR coating; incidence angle:0°-15°

Clear aperture

>80% diameter

Damage threshold

30W/cm2 CW

Active wavelength

400-1100 nm

 

 

Note: Dimension, wavelength range ,OD or other request are available upon request.
Square Variable Attenuator

Material

BK7grade A optical glass, Fused silica

Optical Density Range

OD0-OD2

Dimension

76.2*25.4*2.0mm

Linearity of Density

OD±5%

Coating

S1:Ni-Cr-Fe; S2:Boardband AR coating; incidence angle:0°-15°

Clear aperture

>80% diameter

Damage threshold

30W/cm2 CW

Active wavelength

400-1100 nm

 

Addr: No.888 Jinhu Road High-tech Zone,Changchun 130103, P.R.China
Domestic Tel:  0431-87020257   International Tel: +86-431-85603799   Fax:+86-431-87020258   
 
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