These are just standard halogen type globes. It is called 'linear' due to it's long design.
This globe is also referred to as a QI (quartz incandescent) globe.
It is available in several sizes but the 2 most common are 78mm and 118mm. This size refers to the length of the globe. It also come in many wattages starting from 60 watts
This type of globe is often used in Flood Lights, Ceiling Fans and Floor Lights as it gives off a bright light. It is also dimmable.
When changing a Linear Halogen Globe it is very important that you do not touch the globe with bare fingers. The oil from your hands will cause the life the the globe to be greatly reduced.