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2. 2.
PublicLaboratory.org
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CERN Open Hardware License 1.1
fold down
PublicLaboratory.org
fold down
CERN Open Hardware License 1.1
a) a)
t
cut and fold Cut along the outer edge. Fold up or cut and as fold down indicated by the dotted and Cut alonglines. the outer edge.should Fold up or on the dashed All labels stay down as indicated by the dotted and outside. dashed lines. All labels should stay on the outside.
Assembly instructions and usage at: PublicLaboratory.org/wiki/foldable-spec
Assembly instructions and usage at: PublicLaboratory.org/wiki/foldable-spec
SpectralWorkbench.org
SpectralWorkbench.org Public Lab Foldable Mini-spectrometer
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a) a)
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CERN Open Hardware License 1.1
PublicLaboratory.org CERN Open Hardware License 1.1
PublicLaboratory.org
Assembly instructions and usage at: PublicLaboratory.org/wiki/foldable-spec
Assembly instructions and usage at: PublicLaboratory.org/wiki/foldable-spec
Except for the diffraction grating door, glue or tape all flaps down onto the outside. Except for the diffraction grating door, glue back view with door open or tape all flaps down onto the outside. SpectralWorkbench.org
DVD
cut
peel apart
peel apart
SpectralWorkbench.org
ideal
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trim
To work as a diffraction grating the DVD-R must be placed so that its To work as a diffraction grating the grating is vertical, making a horizontal DVD-R must be placed thatDVD its piece spectral rainbow. Tapeso your grating is vertical, making a horizontal to the inside of the spectrometer’s spectral rainbow. Tape door, then tape or glueyour the DVD door piece closed. to the inside of the spectrometer’s rainbow door, then tape or glue the door closed. rainbow
back view with door open front view with door open
front view with door open
attach to a webcam, phone, or laptop The spectrometer can be mounted on a attach tophone, a webcam, phone, or laptop camera laptop, or with the help of The spectrometer be mounted on a a box, attached tocan a webcam. Line up camera phone, laptop, or withisthe carefully so that the rainbow in help the of amiddle box, attached to a webcam. upfirm of the image, and tapeLine down carefully so spectrometer that the rainbow is in the so that the stays rigid. middle of the image, and tape down firml so that the spectrometer stays rigid.
To make one from a DVD-R, split it into idealreflective DVD quarters, peel off the layer To make fromclean a DVD-R, split it into and trimone a small square out of the quarters, peellayer. off the transparent Tryreflective to pick alayer clean and trim a small clean square of the piece without fingerprints or out scratches. transparent layer. Try to pick a clean piececut without fingerprints or scratches.
b) b)
Public Lab Foldable Mini-spectrometer
b) b)
3. 3.
make a diffraction grating from a DVD-R A diffraction grating is a series of close make a diffraction slits that dispersegrating light. from a DVD-R A diffraction grating is a series of close rainbow slits that disperse light.
tape down
tape down
close door
close door
spectraspectra intensity intensity
1.1.
reading spectra Every molecule emits only certain reading spectra frequencies of light, and under the righ Every molecule emits only certain conditions a spectrometer can detect frequencies of light, and under theclea righ these as rainbow bands. With two conditions spectrometer can detect bands, theamercury in compact these as rainbow bands. With two clear fluorescents makes calibration easy. mercury in compact violet bands, indigo the blue green yellow orange re fluorescents makes calibration easy. violet
indigo
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Assembly instructions and usage at: PublicLaboratory.org/wiki/foldable-spec
fold down
3.
rainbow
PublicLaboratory.org
2. 2.
2.
cut and fold Cut along the outer edge. Fold up or down as indicated by the dotted and dashed lines. All labels should stay on the outside. CERN Open Hardware License 1.1
1.
DVD
To make one from a DVD-R, split it into quarters, peel off the reflective layer and trim a small clean square out of the transparent layer. Try to pick a clean piece without fingerprints or scratches.
attach to a webc The spectromet camera phone, l a box, attached carefully so that middle of the im so that the spec
3.
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CERN Open Hardware License 1.1
t
fo l
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up
Public Lab Foldable Mini-spectrometer
CERN Open Hardware License 1.1
PublicLaboratory.org PublicLaboratory.org
a)
Assembly instructions and usage at:
Assembly instructions and usage at: PublicLaboratory.org/wiki/foldable-spec PublicLaboratory.org/wiki/foldable-spec
fo l
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up
b)
front view with door open
c) c)
peel apart
tape down
CERN Open Hardware License 1.1
b) b)
b)
rainbow
back view with door open
c)
intensity
cut
Public Lab Foldable Mini-spectrometer
a) a) cut
a)
or tape all flaps down onto the outside.
spectra
SpectralWorkbench.org
trim
close door
reading sp
frequencyEvery mo (in nanometers) frequenc 436 me
condition To work as a diffraction grating the these as r DVD-R must be placed so that its reading spectra reading spectra bands, th grating is vertical, making a horizontal Every molecule Every molecule emits only emits certain only certainfluoresce spectral rainbow. Tape your DVD piece fold down frequencies ofoflight, and of light, under and the under right the indigo right violet to thefrequencies inside the spectrometer’s door, conditions then tape or glue the door closed. conditions a spectrometer a spectrometer can detect can detect To work as To awork diffraction as a diffraction the grating the Except forgrating the diffraction grating door, glue these as these rainbow asrainbow rainbow bands. With bands. twoWith cleartwo clear or tape all flaps down onto the outside. DVD-R must DVD-R be must placed beso placed that its so that its trim
Assembly instructions and usage at: PublicLaboratory.org/wiki/foldable-spec
spectra
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SpectralWorkbench.org
CERN Open Hardware License 1.1
trim
PublicLaboratory.org
peel apart peel apart
bands, mercury the mercury in compact in compact back view withbands, the grating isgrating vertical, is making vertical,amaking horizontal a horizontal door open fluorescents makes calibration makes calibration easy. easy. spectral spectral rainbow.rainbow. Tape your Tape DVDyour piece DVD piece fluorescents fold down violet blue indigo green blue yellow green orange yellow red orange red to the inside to the ofinside the spectrometer’s of the spectrometer’s violet indigo door, then door, tape then or glue tapethe or view glue door closed. door closed. front withthe frequency door open oor, glue Assembly instructions and (in usage at: nanometers) 436 close door rainbow rainbow tape down PublicLaboratory.org/wiki/foldable-spec ide. spectra
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PublicLaboratory.org
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