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CNI_logo_greenbluelasermanufacturer

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

Products
Lasers
Spectrum Analyzers
Laser Application Systems
Laser Measurement Tools
Laser Marking
Fiber-Coupled Lasers & LEDs
Optics & Coatings
Laboratory Instruments
Components & Accessories
 
Components & Accessories
Laser Diode
Laser Optics
Optical Fiber
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
Customized Products
 
Contact CNI
Tel: +86-431-85603799 / 89216078
Fax:    +86-431-87020258
E-mail:  [email protected]
國內: 0431-87020257 / 89216068
 

Laser Optics

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.


 
Coated Laser Crystal
CNI is capable of supplying a large quantity of laser crystals with high damage coatings to meet the tough requirement from both the OEM and R&D customers.
Coated Laser Crystal

Standard Product

Crystals

Doping

Size(mm3)

Coating

Nd:YVO4

1%

3x3x2

Coated for 1064 nm, 532 nm, 1342 nm, 671 nm laser as required.
0.5%

3x3x5

Nd:YAG

1% 3x3x2 Coated for 1064 nm, 532 nm, 946 nm, 473 nm laser as required.
1% 3x3x3
 
 

Output Coupler

An output coupler (OC) is a partially reflective mirror used in lasers to extract a portion of the laser beam from the optical resonator. Lasers operate by reflecting light between two or more mirrors which have an active laser medium between them. The medium amplifies the light by stimulated emission. For lasing to occur, the gain of the active medium must be larger than the total loss, which includes both unwanted effects such as absorption, and the intentional release of energy through the output coupler. In other words the laser must attain threshold.
Output Coupler

Standard Product

Wavelength Size Coating

473 nm OC

ø4 mm, R=50/100/200 mm Plano-Concave, HR946 nm, HT473nm

532 nm OC

ø4 mm, R=50/100/200 mm Plano-Concave, HR1064 nm, HT532nm
671 nm OC ø4 mm, R=50/200 mm Plano-Concave, HR1342 nm, HT671nm
1064 nm OC ø4 mm, R=50/100/200 mm Plano-Concave,  PR1064nm
 
 
Frequency Doubling Crystal
Frequency Doubler or Second Harmonic Generation (SHG) is a special case of sum frequency generation if the two input wavelengths are the same. The simplest scheme for frequency doubling is extracavity doubling. The laser passes through the nonlinear crystal only once. However, if the power density of laser is low, focused beam, intracavity doubling and external resonant cavity are normally used to increase the power density on the crystals.
Frequency Doubling Crystal

Standard Product

Crystals

Size(mm3)

Coating

LBO

2x2x5 [email protected]&532nm/946nm&473nm/1342nm&671nm
2x2x10

KTP

2x2x5

[email protected]&532nm

2x2x9

BBO

2x2x5

[email protected]/532nm/266nm
2x2x10
 
 
Lens
Lens

Standard Product

Material: BK7 grade A optical glass

Design Wavelength: 546.1 nm

Design Index: 1.5183 ±0.0005

Diameter Tolerance: +0.0, -0.15 mm

Paraxial Focal Length: ±2%

Centration: 3 arc minutes

Clear Aperture: >80%

Bevel: 0.25 mm x 45°

Surface Quality: 60-40 scratch and dig

Surface Figure: l/[email protected]

 

Lenses

Part No.

Illustration

Property and Application

Plano-Convex Lens

L01

Positive focus length. Most suitable where one conjugate is more than five times the other. Also where both conjugates are on the same side of the lens.

Double-Concave Lens

L02

Negative lens with the form most suited to producing diverging light or a virtual image, where the input light is converging.

Plano-Concave Lens

L03

Negative lens with the form most suitable where one conjugates is more than five times the other, e.g. producing divergent light from a collimated input beam.

 


 
Filter
Absorption, and particularly wavelength selective absorption is an important factor in the function of the filters. The two most commonly used absorbers are thin metallic films which are particularly insensitive to wavelength for absorption, and colored glasses which absorb wavelengths varied by as much as several orders of magnitudes in only tens of nanometers. Interference filters are multilayer dielectric thin film devices. Metallic films, colored glasses and thin dielectric films are used in CNI filters.
Band Pass FiltersBand Pass Filters

Applications: 

Emission filters in fluorescence

Sorting filters in photometry

Stray light or trim filters

Eliminate unwanted near band radiation

 


 

Specification (Cut-on λc)

λ (nm)

Transmittance

Filter for 473/ 532 nm laser
(Filter-473/ 532)

700

0.01

670

0.06

570

0.82

530

0.97

470

0.97

420

0.90

350

0.65

320

0.04

   
Filter for 671 nm laser
(Filter-671)

1060

0.01

780

0.37

670

0.77

660

0.82

650

0.82

630

0.87

560

0.97

530

0.95

370

0.94

280

0.01

   
Filter for 1064 nm laser
(Filter-1064)

2700

0.83

1900

0.98

1300

0.98

1060

0.98

980

0.97

950

0.97

860

0.75

840

0.25

800

5*10-4

 
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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