PHYS143 Diffraction Setup

For this lab there are two setups for each group of students. To date the lab sections for the PHYS140's have been capped at 15 students, meaning 5 stations are needed in total.

The optical rail setup consists of the following for each station.

• 1 - Optical rail. Found in the lab.
• 3 - Post holders. Found in the bottom of the middle cabinet.
• 2 - Screen holders. Usually found in the side cabinets in room 116.
• 1 - Large Clamp to hold lasers. Found in the bottom of the middle cabinet.
• 1 - Short piece of PVC tubing to hold a laser. Found in the 3rd cabinet from the door.
• 3 - Inexpensive diffraction gratings, 1000 lines / mm. Found in 3rd cabinet.
• 1 - Photocopy of a ruler taped to a piece of foam board. Found with PHSC supplies in 311.
• 3 - Thorlabs 1 mW lasers, one blue, one green and one red. Found with PHSC supplies in 311.
• 1 - Thorlabs USB power supply for lasers. Found with PHSC supplies in 311.

Apparatus for the spectrometer part are as follows:

• 1 - Lamp. Found in bottom of 3rd cabinet in 216.
• 1 - Optical spectrometer with diffraction grating.