Bojiong (Shanghai) Precision Machinery Technology Co., Ltd
Bojiong (Shanghai) Precision Machinery Technology Co., Ltd
Products
Transient Flow-field Interferometer
  • Transient Flow-field InterferometerTransient Flow-field Interferometer

Transient Flow-field Interferometer

At BOJIONG, we are dedicated to pushing the boundaries of optical sensing technology. Our Transient Flow-field Interferometer is a proof of our commitment to innovation, integrating state-of-the-art technology to provide reliable and precise measurements. As efficient as our sensor series, we continue to invest in research and development to ensure that our products meet the ever-changing demands of our customers.

The launch of the BOJIONG Transient Flow-field Interferometer provides strong technical support for the study of physical phenomena, optimization of aircraft design, simulation and prediction, enhancement of safety and reliability, and improvement of flight efficiency. It is suitable for a variety of special-needs sampling cameras, fluorescence imaging technology in the field of biology, and stripe cameras and various high-speed cameras in the field of high-speed image acquisition.

 

In addition, our independently developed external four-wave interference sensor (FIS4 External In, FIS4-EX1) projects the encoded grating onto the user's dedicated camera through a 4f imaging system, achieving external access flexibility and efficiency. This innovative design further expands the application range of the Transient Flow-field Interferometer, making it an indispensable high-precision measurement tool in scientific research and industrial fields.

 

Item Specification

 

Product name

Transient Flow-field Interferometer

Application wavelength and light source

Visible light 527nm

Pulse main operating frequency

1-1000Hz

Effective measurement of wavefront caliber

Not less thanφ80mm

Object distance

1.5m~4m

Spatial resolution of distorted wavefront measurement

≤1mm

Distorted wavefront measurement range

±10λ

Inaccurate wavefront measurement

RMS≤(1/15)λ、PV≤0.2λ

Measurement sensitivity

1/15λ

Detector pixel

1280×1024

The system collects the frame frequency

Programmable, maximum frame rate is not less than 450Hz

High-speed sampling synchronization control

Laser pulse width≤30ns

The laser light source pulse signal and the detector acquisition signal are the same step

Adopt TTL signal standard interface

  

Feature Of BOJIONG Transient Flow-field Interferometer

 

 

 

【Anti-interference】

The high-speed flow field optical aberration wavefront measurement system utilizes a modern common-path spatial phase modulation shear interference system, whose linear carrier effectively suppresses external environmental interference.

【High-resolution and large-distortion digital detection】

The CCD image acquisition system has a resolution of up to 1280×1024 pixels, achieving precise digital detection through high-speed data transmission, suitable for high-resolution, high-linear carrier, and large-distortion detection. The system provides scientific and detailed high-speed wavefront diagnostic results.

【High-speed signal acquisition】

Equipped with a near-infrared DPSS laser that can operate continuously or in pulse mode under transient and integral states, achieving high-speed signal acquisition with a maximum frame rate of no less than 450Hz. Developed and equipped with an external synchronous signal acquisition system to ensure synchronous acquisition of signals between the variable flow field target and the high-speed detector.

 

 Application Of BOJIONG Transient Flow-field Interferometer

 

ThisBOJIONGTransient Flow-field Interferometer Suitable for sampling cameras with various special requirements, diverse fluorescence imaging techniques in the field of biology, and in the realm of high-speed image acquisition, stripe cameras and various high-speed cameras are commonly utilized.

Wavefront distortion index detection

Flow field interference fringes of Mach disk collected in wind tunnel

Mach disk local detection diagram

Mach disk local detection diagram

 

 

BOJIONG Transient Flow-field Interferometer Details

 

Professional software module

◆Friendly software interface including 3D topography display, contour map display, PV, RMS, POW and other numerical display

◆Real-time dynamic acquisition display, easy to dynamically observe 3D waveform changes

◆The measurement area can be freely selected round and square, and can be freely adjusted after selection

◆It can measure the height value curve and calculate the region roughness and other numerical parameters by pulling the wire

 

 

BOJIONG Transient Flow-field Interferometer developed by a team of professors from Zhejiang University and Nanyang Technological University in Singapore, this technology is patented in China and utilizes the principles of diffraction and interference to achieve advanced four-wave lateral shear interferometry. It boasts excellent detection sensitivity and anti-vibration performance, allowing for real-time and high-speed dynamic interferometric measurements without the need for vibration isolation, with a frame rate exceeding 10 frames per second.

The FIS4 sensor is renowned for its ultra-high phase resolution of 512×512 (reaching 260,000 phase points). It has a broad measurement range, from 200 nanometers to 15 micrometers, with a measurement sensitivity of up to 2 nanometers, and a measurement repeatability better than 1/1000λ (RMS). These features make the FIS4 sensor widely applicable in various fields, including laser beam quality analysis, plasma flow field detection, real-time monitoring of high-speed flow field distribution, image quality assessment of optical systems, microscopic profile measurement, and quantitative phase imaging of biological cells.

 

 

 

Hot Tags: Transient Flow-field Interferometer, China, Manufacturer, Supplier, Quality, Factory, Price, Advanced, Newest
Send Inquiry
Contact Info
For inquiries about Interferometric Sensor, Wavefront Analyzer, Wavefront Sensor or price list, please leave your email to us and we will be in touch within 24 hours.
X
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies. Privacy Policy
Reject Accept