Table of Contents
Diffraction
Diffraction scanner
- Optical rail
- 3 post holders
- Laser
- Vernier diffraction slits in holder
- Diffraction scanner
- Lab Quest Mini
- 2 analog to telecom wires
- Meter stick
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Setup:
- Make sure the laser works. (If it buzzes, it is dying and should be replaced.)
- Align the laser, diffraction gratings, and scanner so that the diffraction pattern appears at the right level on the scanner.
- Make sure that you are using the correct “analog-to-telecom” wires and connect Port 1 to Ch1 and Port 2 to Ch2 on the Lab Quest Mini.
- Download the diffraction scanner configuration file, open it, and test the readings on the diffraction scanner apparatus.
Spectrometer
- Spectrometer (w/ eyepiece and w/ magnifying glass)
- Diffraction grating (mounted on post)
- Cloth cover
- Webcam and mounting
- Mercury lamp (mounted on a ring stand)
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Setup:
- Make sure the mercury lamp lights up when plugged in (and turned on, if applicable).
Diffraction Demo
- Rail w/ diffraction demo parts
- Laser (w/ diverging lens)
- Diffraction objects on mount (slide with dots, pin, razor blade)
- CCD camera
- Webcam (optional, in place of CCD camera)
- TV monitor
- BNC cable (to connect camera to monitor)
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Setup:
- Make sure the laser works. (If it buzzes, it is dying and should be replaced.)
- Connect the CCD camera to the monitor and turn the monitor on
- Align the laser (with diverging lens), demo objects and camera so that the light hits the CCD sensor.
- OPTIONAL: If using the webcam, omit the CCD camera/monitor combo and instead us the built-in “Camera” software on Windows.
- Position the demo objects such that you create a nice, clear pattern on the monitor.
Common area
- Filament lamp
Setup:
- Place a single filament lamp in the room (usual in a back corner) and make sure it lights up and works.
- This lamp is used when it asks the students to look at a far away “line” light source.
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- Extra parts
- Laser
- Diffraction grating in holder
- Diffraction scanner
- Lab Quest Mini (w/ USB cable)
- Analog to telecom wire(s)
- Diffraction grating(s)
- Mercury lamp
- Webcam (w/ mount)
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