Reflectance Probes

Fibre optic reflectance probe

Soap bubble thin film

How Thin is a Thin Film? Introduction to Thin Film Reflectometry

8 Minute ReadIntroduction A thin film can be defined as any material with a thickness ranging from a fraction of a nanometre (nm) to a few microns (μm). The manufacture of thin films onto various substrates is vital to high-tech industries. The deposition of optical coatings, the production of highly integrated chips on silicon wafers, the manufacture […]

How Thin is a Thin Film? Introduction to Thin Film Reflectometry Read More »

Off-Axis Guiders and Sighting Optics

4 Minute ReadIntroduction An off-axis guider is a device well known to all astronomers, professionals and amateurs alike. It usually consists of a compact optical unit inserted between the main imaging camera and the telescope to intercept a small amount of light coming from an astronomical object. Its purpose is to track the motion of that object

Off-Axis Guiders and Sighting Optics Read More »

Scroll to Top