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What Is a Fiber-Coupled LED and How Do You Choose One?

A fiber-coupled LED is an LED emitter that is optically coupled into a fiber optic output instead of being used as a free-space o…

What Does an In-Vivo Optogenetics Setup Require for Freely Moving Animals?

An in-vivo optogenetics setup for freely moving mammals is a chain of four coupled parts: a light source (LED or laser), a rotary…

What Is an LED Light Source and Which Type Do You Need for Microscopy or Optogenetics?

An LED light source is a solid-state illuminator that generates light from semiconductor junctions rather than from a heated fila…

What Is a Microscope LED Light Source and How Do You Choose One for Fluorescence Microscopy?

A microscope LED light source is a solid-state illuminator that replaces the mercury or xenon arc lamp traditionally used to exci…

What Is Optogenetics and How Do Light Sources Deliver Stimulation to Neurons?

Optogenetics uses light-sensitive proteins called opsins to activate or silence specific neurons with light. Delivering that ligh…