Measurement Services
■ 1、Wavefront Distortion Measurement
Equipment Name：The Interferometer
Wavelength Range：633nm, 1064nm
Size Range：Φ3mm~10mm×20mm~150mm@1064nm;
Φ3~100mm×250mm@633nm
Measuring Accuracy：λ/12@1064nm;
λ/20@633nm
Range of application： It fits measure wavefront distortion of the material which can through the light of 633nm or 1064nm, for example Ho:Cr:Tm:YAG, Er:YAG, etc.
■ 2、Extinction Ratio Measurement
Equipment Name：The Extinction Ratio Equipment
Wavelength Range：633nm, 1064nm
Size Range：Φ3mm~10mm×250mm
Measuring Error：≤±5%
Range of application： It fits measure residual strain of the material which can through the light of 633nm or 1064nm, for example Ho:Cr:Tm:YAG, Er:YAG, etc.
■ 3、Angular Measurement
Equipment Name：The High-precision Goniometer
Measuring range： The diameter of the sample ≥Φ3mm
Measuring Accuracy： ≤0.3"
Range of application： Measuring the geometry angle of the plane with the certain reflection rate, as crystal prism, metal polyhedron, etc.
■ 4、Flatness Measurement
Equipment Name： The ZYGO Interferometer
Measuring range：Φ3mm~100mm
Measuring Accuracy：≤λ/20@633nm
Range of application： Measuring the flatness of the processed surface.
■ 5、Stress Measurement
Equipment Name：DIAS-1600 Measurement of Residual Stress
Measuring range：Φ5mm~60mm
Measuring Accuracy：±6nm
Range of application： Testing micro stress and stress distribution of the sample
■ 6、Spectrum Measurement：
Equipment Name：LAMBDA950 spectrophotometer
Measuring range：
Wavelength Range：185nm~3300nm，
Size Range：Φ3mm~20mm×40mm@transmission Φ5mm~20mm×90mm@reflection
Measuring Accuracy：±0.1nm
Range of application：
Testing the transmission with 0-60 degree;
Testing the reflection with 6-68 degree;
Testing the diffuse reflection of the ceramics;
Testing the transmission and the reflection with P or S polarized light。
■ 7、The LASER Damage Threshold Test
Equipment Name：The LASER Damage Threshold Test System
Measuring range：
Wavelength：1064nm，
The time of impulse：10ns，
Power density：600MW/cm2 ~ 2000 MW/cm2
Power Fluctuates：≤±5%
Range of application： The system is applied to test the damage resistance of the coating, laser crystal, ceramics and glass.
■ 8、The Single Pass Loss System
Equipment Name：The Single Pass Loss System
Measuring range：
Wavelength：1064nm
Size Range：Φ4mm~20mm×250mm
Measuring error：≤±10%
Range of application： The system is applied to test the single pass light energy loss when 1064nm laser past through the material.
■ 9、Low Absorptiometer
Equipment Name：PTI Low Absorptiometer
Measuring range：
Wavelength：1064nm
Measuring Accuracy：
Less than 1ppm
Range of application： The system is applied to test the low absorption of the coating, laser crystal and glass.
■ 10、FT-IR Spectrometer
Equipment Name：Frontier Optica FT-IR Spectrometer
Measuring range：
Wavelength Range：7800-350cm-1
Measuring Accuracy：
Less than 0.01cm-1
Range of application：
Testing the transmission of the IR coating and IR material
Address：No.11 Research Institute,No.4 Jiuxiangqiao Road, Chaoyang District,Beijing China 100015
contact number：(86-10)84561199
Fax：(86-10)84562777
E-mail：sales@oet.com.cn