公民科學實驗室 Citizen Science Lab

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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)

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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

c) c)

trim

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

frequency (in nanometers) 436 frequency (in nanometers) 436

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green

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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.

make a diffraction make a diffraction grating from grating a DVD-R from a DVD-R attach toattach a webcam, to a webcam, phone, orphone, laptopor laptop cut SpectralWorkbench.org a) make a diffraction grating from a DVD-R cut and fold A diffraction A diffraction grating isgrating a series is of a series close of closeThe spectrometer r The spectrometer can be mounted can be mounted on a attach on ato a w A diffraction grating is a series of close Cut along the outer edge. Fold up or The spectro slits thatslits disperse that disperse light. light. d camera phone, cameralaptop, phone,or laptop, with the or with help the of help of slits that disperse light. down as indicated by the dotted and camera pho on the a box, attached a box, attached to a webcam. to a webcam.

Line up Line aup dashed lines. All labels should stay on the box, attac rainbow rainbow rainbow peel apart trim outside. carefully so carefully carefully so that the so that rainbow the rainbow is in the is in the b) c) reading spectr middle of ideal DVD Every molecu middle of middle the image, of theand image, tapeand down tape firmly down firmlyth ideal idealDVD DVD To make one from a DVD-R, split it into so that theos frequencies b) To make To one make fromone a DVD-R, from asplit DVD-R, it into split it intoso thatquarters, the so that spectrometer the spectrometer stayslayer rigid. stays rigid. peel off the reflective conditions as To work as a diffraction grating the and trimmust a small clean square out of the these as rainb quarters,quarters, peel off the peelreflective off the reflective layer layer DVD-R be placed so that its bands, the me transparent layer. Try to pick a clean grating is vertical, making a horizontal and trimand a small trim clean a small square cleanout square of the out of the fluorescents m fold down piece without fingerprints scratches. spectral rainbow.

Tape youror DVD piece transparent transparent layer. Trylayer. to pick Tryato clean pick a clean violet indigo blue to the inside of the spectrometer’s cut then tape or glue the door closed. door, piece without piece fingerprints withoutExcept fingerprints or scratches. or scratches. forSpectralWorkbench.org the diffraction grating door, glue cu

CERN Open Hardware License 1.1

t

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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

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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

spectra

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intensity

PublicLaboratory.org

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