Skip to content
Mon, Oct 12, 2026 / Ideas for a clearer worldINDEPENDENT INSIGHTS · PRACTICAL TOOLS · EXPLAINERS
Sign in
EXPLORE THE FIELD

Advanced

Advanced

SEM and TEM: what’s the difference?

Electron microscopes have emerged as a powerful tool for the characterization of a wide range of materials. Their…

July 10, 2021 · Rajil TL
Advanced

Scanning Electron Microscopy (SEM)

What is Scanning Electron Microscopy (SEM) A typical SEM instrument, showing the electron column, sample chamber, EDS detector,…

July 10, 2021 · Rajil TL
Advanced

Transmission Electron Microscope

A Transmission Electron Microscope (TEM) utilizes energetic electrons to provide morphologic, compositional and crystallographic information on samples. At a maximum…

July 10, 2021 · Rajil TL
Advanced

MICROSCOPE IMMERSION OIL EXPLAINED

WHY USE MICROSCOPE IMMERSION OIL? When light passes from a material of one refractive index to another (for…

July 10, 2021 · Rajil TL
Advanced

Resolving Power

The resolving power of an objective lens is measured by its ability to differentiate two lines or points in an…

July 10, 2021 · Rajil TL
Advanced

Numerical Aperture and Resolution

The numerical aperture of a microscope objective is a measure of its ability to gather light and resolve…

July 10, 2021 · Rajil TL
Advanced

Direct Microscopic Counts

Studies involving the analysis of materials including food, water, milk, and, in some cases, air require quantitative enumeration…

July 10, 2021 · Rajil TL
Advanced

Phase-contrast Microscopy

Phase-contrast Microscopy Unstained living cells absorb practically no light. Poor light absorption results in extremely small differences in…

July 10, 2021 · Rajil TL