Brewster angle microscopy

SI-BA04

Product info

Brewster (Brewster) angle microscope is mainly used to observe the organic monolayers points on the gas-liquid interface. It has excellent image quality and resolution, is the ideal instrument for online control and observation of morphological film parameters: (such as uniformity, stability, domain structure). Brewster angle microscopy applications include monolayer LB films of quality control, assembled monolayers technology, new synthetic materials characterization and contamination monitoring.


Principle: polarized light reflected on the surface of the medium, refraction, degree of polarization to change. When the incident angle α is Brewster's angle, the polarization will be no reflection. If monolayers at the gas-liquid interface is formed, since the Brewster angle change, the re-emergence of reflection, gathering reflected light microscope, you can observe the other parameters of the film was like.


Main purpose: To observe the phenomenon ordered monolayer, monolayer structural transformation to a multi-molecular layer, the surface adsorption kinetics, single-phase field gathering, LB film uniformity quality, phase separation


Operation system

developed based on windows 2000 / XP Graphics-interface green software

Optical system

Light source

High-strength green laser, 20mW or 50mW, 532nm

adapter

Continuously adjusting the laser intensity 1-100%

Objective lens

Nissan MS-01 continuous zoom, working distance 90mm, image to enlarge 700-110 pixels / mm

resolution

2μm

angle

45-60°

Polarizing system

Advanced optical prism polarizer

Image Processing System

Imaging System

Computer control, advanced CCD, software, electronic shutter

Image Capture

CG400 image acquisition card

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