Bojiong (Shanghai) Precision Machinery Technology Co., Ltd
Bojiong (Shanghai) Precision Machinery Technology Co., Ltd
Products
NIR Cost-effective wavefront sensor

NIR Cost-effective wavefront sensor

BOJIONG Optoelectronics, a pioneering force in the industry, is steadfastly committed to innovating Near-Infrared Four-wave Interferometric Sensor technology, offering cutting-edge sensors that cater to diverse sectors like optical manufacturing, aerospace, biomedical research, and energy exploration. These sensors are engineered to meet the rigorous requirements of high-precision optical analysis, empowering clients with unparalleled precision in optical performance measurement and boosting product quality and manufacturing efficiency.

The BOJIONG NIR Cost-effective wavefront sensor integrates patented random coded four-wave diffraction technology with an infrared camera, enabling interference at the rear image plane position. This setup allows standard imaging systems to perform interference measurements with exceptional vibration resistance and stability, reaching nanometer-level precision without requiring vibration isolation. The sensor demands minimal coherence from the light source and eliminates the need for phase shifting.


Item Specification

 

product name

Near-Infrared Four-wave Interferometric Sensor

Wavelength range

900nm~1200nm

Target size

12mm×12mm

Spatial resolution

23.4μm

Sampling resolution

512×512(262144pixel)

Phase resolution

<2nmRMS

Absolute accuracy

15nmRMS

Dynamic range

270μm(256λ)

Sampling rate

32fps

Real-time processing speed

7Hz(Full resolution)

Interface type

USB3.0

Dimension

70mm×46.5mm×68.5mm

Weight

about 240g

 

Feature Of BOJIONG Near-Infrared Four-wave Interferometric Sensor

 

 

 

◆Ultra-high resolution of 512×512 (262144) phase points

◆Broad spectrum 900nm~1200nm band

◆Single-channel light self-interference, no reference light required

◆2nm RMS high phase resolution

◆Large dynamic range up to 270μm

◆Just like imaging, easy and fast optical path construction

◆Extremely strong anti-vibration performance, no need for optical vibration isolation

◆Supports collimated beams and large NA converged beams


Application Of BOJIONG Near-Infrared Four-wave Interferometric Sensor

 

This BOJIONG Near-Infrared Four-wave Interferometric Sensor used in optical system aberration measurement, optical system calibration, material internal lattice distribution measurement, hypersurface, hyperlens wave front measurement



Example of aberration measurement of optical system

Sample measurement of lattice distribution inside a material

Optical system calibration measurement examples

Example of metasurface wavefront measurement

 

Example of hyperlens wavefront measurement

 

 


 

High Resolution Four-wave Interferometric Sensor Details

 

The BOJIONG NIR Cost-effective wavefront sensor, a product of the collaborative efforts between professors from Zhejiang University and Nanyang Technological University of Singapore, incorporates domestic patented technology that unifies diffraction and interference for achieving standard four-wave transverse shear interference. This sensor excels in detection sensitivity and anti-vibration capabilities, enabling real-time and high-speed dynamic interferometry without the need for vibration isolation, with a frame rate exceeding 10 frames for real-time measurements.

Moreover, the FIS4 sensor within this setup spans a measurement range from 200 nanometers to 15 micrometers, featuring an ultra-high phase resolution of 512×512 (260,000 phase points), measurement repeatability superior to 1/1000λ (RMS), and a sensitivity of 2 nanometers. It is versatile for applications including laser beam quality analysis, plasma flow field detection, real-time high-speed flow field distribution measurement, optical system image quality evaluation, microscopic profile measurement, and quantitative phase imaging of biological cells.



Hot Tags: FIS4 NIR Cost-effective wavefront sensor,0.9-1.2µm _ BOJIONG - BOJIONG
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