A microscope method for studying nanostructures called near-field scanning optical microscopy (NSOM) or scanning near-field optical microscopy (SNOM) overcomes the far field resolution limit by taking advantage of evanescent wave characteristics.
A near-field, also known as an evanescent field, is produced on the far side of the aperture in SNOM when the excitation laser light is directed through an aperture with a diameter smaller than the excitation wavelength. The optical resolution of transmitted or reflected light is only constrained by the aperture’s diameter when the sample is examined closely below it.
GLOBAL NEAR-FIELD SCANNING OPTICAL MICROSCOPY (NSOM) MARKET SIZE AND FORECAST
The Global Near-Field Scanning Optical Microscopy (NSOM) Market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
NEW PRODUCT LAUNCH
An optical near field scanning microscope, the MCL-NSOM, is completely functional. It was created using the adaptable RM21TM inverted optical microscope from Mad City Labs, which enables users to switch between NSOM, SPM, and fluorescence optical microscopy methods.
The MCL-NSOM includes components that are found in our successful resonant probe SPM as well as other common ones, like the MadPLL phase lock loop controller.
In order to provide exceptional position resolution and accuracy, the NSOM also makes use of our experience in precision motion control by incorporating three axes of closed loop piezo nanopositioning and six axes of motorised positioning for the sample and NSOM probe.
A 635 nm laser light source, a fibre launch, an oil immersion objective lens (20x, 0.4 N.A.), a CMOS alignment camera, and an avalanche photodiode detector are also included in the MCL-NSOM.
Researchers can adapt the microscope for a variety of optical microscopy methods, such as near field spectroscopy, due to its reconfigurable design.
In aperture mode with shear force input, the MCL-NSOM is used. Supported modes include lighting, collection, collection and illumination, reflection, and collection and reflection. It offers a software package built on LabVIEWTM that automates the motion control functions.
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