Kathy Brasch

How Polarized Light Works in a Microscope

Normal light waves go in every direction. In a polarizing microscope the light waves are managed using two polarizing filters. One is called the analyzer and the other is the polarizer. One way to understand how to create polarized light is to pas... Read >

Properly Setting up Koehler Illumination

You have heard of the term Koehler illumination. What is it and what does it do for the microscope? Koehler Illumination is a process which provides optimum contrast and resolution by focusing and centering the light path and spreading the light eve... Read >

Microscope Maintenance

Customers often ask what they can do when they have problems with lubrication and focusing problems with their microscopes. Here are a few questions along with our suggestions: Question: What product should I use to lubricate the bearings on the stage o... Read >

In-Line Refractometers

In-Line refractometers are designed to monitor and control the concentration of dissolved solids or water soluble liquids in your process lines. These instruments can be incorporated in piping of manufacturing plants, liquid mixing devices, and washing a... Read >

Antifreeze Refractometers

Low temperatures leading to freezing conditions can, if not managed correctly, often result in serious damage to plant and equipment, chillers and engine cooling systems. System blockages, cracked pipes and unwanted fluid loss can be expensive both in te... Read >

Cleaning Your Microscope

Customer often ask what they can do to keep their microscopes clean and in good working condition. Listed below are some questions raised along with our suggestions: Question: What can I use to clean the lens on my microscope? Answer: Lens cleaning flu... Read >

Inverted Microscopes

Most microscopes that you see in a typical laboratory environment are compound microscopes. They are designed with objectives on a rotating nosepiece mounted above the stage, and the light source and condenser below the stage. They are most commonly use... Read >

Dissecting Microscopes

Most of us remember using microscopes when we were in biology class, watching microscopic organisms moving around, bumping into each other. Although we thrilled to watch the action under the lens, we really didn't pay much attention to the microscope ... Read >

Choosing A Microscope: Compound or Stereo microscope?

Your application is the most important factor in choosing a microscope. What you need to see and what you want to do with that image will determine what kind of microscope you need. Microscopes typically come in two types: compound or stereo microscope. ... Read >

How A Polarimeter Works

The Simple Explanation Imagine tying a piece of thick rope to a hook in a wall, and then shaking the rope vigorously. The rope will be vibrating in all possible directions - up-and-down, side-to-side, and all the directions in-between - giving it a rea... Read >