Simple cell phone spectrometer
thingiverse
Small Cell Phone Spectrometer That Can Be Easily Printed. Created By Students From Onehunga High School In The Photon Factory At The University Of Auckland. Instructions To Build This Compact Device: Step 1: Snap A DVD Apart Using A Blade And Cut Out A Piece Large Enough To Cover The Angled Entrance. Next, Apply Hot Glue To Secure The Lid On Top Of The Main Body. Then, Position The DVD Grating Onto The Angled Entrance With The Grating Side Facing Away From Outside Observers. Using A Blade, Cut A Slit 1cm High In Aluminium Foil And Attach It To The Entrance Using Hot Glue. Make Sure The Foil Sits Properly In Place. Step 2: Locate The Spectrometer Above Your Camera Lens. Align The Slit So That It Points Directly At A Light Source. Note: Sometimes, Overexposure Occurs. Solve This Issue By Reflecting The Light Off A Surface And Collecting A Spectrum From The Scattered Radiation.
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