OTZ Pre-Lab
INCLUDE THIS SHEET AS THE FIRST PAGE OF YOUR REPORT.
Before the 1st Day of Lab
Student's Name: ______________________________________________________________
Partner's Name: ______________________________________________________________
Before the Lab
Before using the apparatus in this experiment, you must complete training in the safe use of lasers detailed on the Laser Safety Training page. This includes readings, watching a video, taking a Laser Quiz, and filling out a Laser Training Certificate form. You must turn in the completed forms into the 111 Lab Staff before you start the experiment.
Pre-lab Questions and Sign Off Sheet
It is your responsibility to discuss this lab with an instructor before your first day of your scheduled lab period. This signed sheet must be included as the first page of your report. Without it you will lose grade points. You should be prepared to discuss at least the following before you come to lab:
- How does an Optical Trap work?
- What is a Power Spectrum Density (PSD) Graph and what can it be used for?
- What is meant by sensitivity and stiffness of an Optical Trap?
- What are the safety requirements for working with this laser?
Staff Signature ______________________________________________ Date ____________
Completed before the first day of lab? (circle) Yes / No
Mid-lab Questions and Sign Off Sheet
By day 2 of this lab, you should have successfully created a slide with a dilute solution of 1 micron beads, turned on the laser, trapped a bead, and moved it vertically and horizontally. Start the Optical Trapping program and take real time data while the bead is trapped. Using the "Alt + Print Screen" command, copy the Power Spectrum Density graph and show it to a GSI.
Staff Signature ______________________________________________ Date ____________
Completed on the second day of lab? (circle) Yes / No