{"product_id":"dual-wavelength-laser-diffraction-research-kit-dual-650-and-532-nm","title":"Dual-Wavelength Laser Diffraction Research Kit, Dual (650 and 532 nm)","description":"\u003cp\u003eThe Dual is the two wavelength kit for the DMT laser experiment (the laser protocol, the 650 nm laser code experiment). Same bench as the Solo with a red and green pointer so you can compare the protocol at two colors. The observation was first reported by Danny Goler; the written protocol that grew out of it is free at dmtcode.com.\u003c\/p\u003e\u003cp\u003eThe Solo bench with a two wavelength source. Switch between 650 nm red and 532 nm green on the same body and compare what you see without touching the alignment. Adds Young's slit cards for two slit interference.\u003c\/p\u003e\u003ch3\u003eMaking the line\u003c\/h3\u003e\u003cp\u003eClamp the pointer in the stand so the button stays pressed. Put the semicircle acrylic piece in the beam with its flat face toward the laser. The dot becomes a continuous horizontal line on the wall; move the piece closer to the laser for a longer line. Put a grating in front of the laser first to see the ordered points and the line together. Full setup steps are at dmtcode.com\/prepare.\u003c\/p\u003e\u003ch3\u003eWhat is in the box\u003c\/h3\u003e\u003ch4\u003eDual red and green laser pointer, 650 nm and 532 nm\u003c\/h4\u003e\u003cp\u003eTwo emitters in one body, selectable by switch. Lets you run the same observation at two wavelengths without re-aligning the bench. Two AAA cells included.\u003c\/p\u003e\u003ch4\u003eAdjustable laser pointer stand\u003c\/h4\u003e\u003cp\u003eCradle that holds a pen style pointer and presses its button for you, so the beam stays on hands free. Height and angle adjust with a thumb knob.\u003c\/p\u003e\u003ch4\u003eThree window diffraction grating, 100, 300 and 600 lines per mm\u003c\/h4\u003e\u003cp\u003eOne slide, three ruled windows. Put each window in the beam and you see the single dot split into a row of dots spaced further apart as the line density rises. This is the grating that demonstrates diffraction orders. It does not make a line; the acrylic semicircle does.\u003c\/p\u003e\u003ch4\u003eHolographic diffraction gratings, 500 and 1000 lines per mm, 5 of each\u003c\/h4\u003e\u003cp\u003eTwo five packs of 50 x 50 mm slide mounted gratings at 500 and 1000 lines per mm. Wider dot spacing than the three window slide, and enough spares to hand out to a group or replace a fingerprinted one.\u003c\/p\u003e\u003ch4\u003eYoung's slit cards, 3 per pack\u003c\/h4\u003e\u003cp\u003eThree 50 x 50 mm slides with single and double slits of different widths and spacings. Used for the classic two slit interference pattern.\u003c\/p\u003e\u003ch4\u003eGiant acrylic lens and prism set of 7, with case\u003c\/h4\u003e\u003cp\u003eSeven 15 mm thick acrylic optics with embedded magnets and a storage case: thin and thick double convex lenses, double concave lens, small double convex lens, rectangular block, 75 mm radius semicircle and a right angle prism. Every curved piece is a cylindrical lens, so it turns the dot into a line. The semicircle is the cleanest: lay it flat, aim the beam through the flat edge, and a continuous horizontal line appears on the wall. The flat pieces demonstrate refraction, reflection and total internal reflection.\u003c\/p\u003e\u003ch3\u003ePackaging and supplier\u003c\/h3\u003e\u003cp\u003eKits are assembled from Arbor Scientific educational components and ship directly from Arbor's warehouse in Saline, Michigan. Expect Arbor branding on the packing slip, tape and individual product boxes. The packing slip does not show item pricing. Meridian Optics Lab is the seller of record; the observation documents live at dmtcode.com.\u003c\/p\u003e\u003ch3\u003eSafety\u003c\/h3\u003e\u003cp\u003eLasers are Class 3a, under 5 mW. Never look into the beam or at a mirror reflection of it. Not for children 12 and under. Educational and laboratory use.\u003c\/p\u003e\u003cp\u003e\u003csmall\u003eAttribution: the laser observation these kits are built around was first reported by Danny Goler (\u003ca href=\"https:\/\/dmtcode.com\/people\/danny-goler\"\u003ehis page on dmtcode.com\u003c\/a\u003e). Mr. Goler has no part in Meridian Optics Lab or this store, has not reviewed these kits, and endorses nothing sold here or published on dmtcode.com. His name appears for credit only.\u003c\/small\u003e\u003c\/p\u003e","brand":"DMT Code","offers":[{"title":"Default Title","offer_id":54434179973430,"sku":"KIT-DUAL-MW","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0957\/0484\/2550\/files\/P2-7679DualRed-GreenLaserPointer-022048x2048.jpg?v=1787331914","url":"https:\/\/shop.dmtcode.com\/products\/dual-wavelength-laser-diffraction-research-kit-dual-650-and-532-nm","provider":"Meridian Optics Lab","version":"1.0","type":"link"}