NTL Folder 16-seiter ENG INT (Page 1)

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“Music transport” by laser beam experience physics with <strong>NTL</strong> DL931-1L Optical fibre, flexible Round acrylic profile (dia.=3 mm, L=75 mm) with one end permanently attached to a black screen (50x50); may be inserted in the screen holder of the <strong>NTL</strong> lab lamp or a slide and screen holder DL931-1K Holder for flexible optical fibre Acrylic rod with through hole; for holding the loose end of the flexible optical fibre DL931-1L; L=100 mm, dia.=10 mm DL100-3L Laser 0.2/1.0 mW, magnetic DL203-1S Colour filter discs, subtractive, set of 3 For illustrating the principle of four-colour printing (i.e. printing presses and colour copying machines); one of the additive primary colours appears when two of the filter discs are overlapped; three plastic discs coated in the colours yellow, magenta (violet), cyan (blue-green) Diameter: 195 mm each new DL517-1P Prism, equilateral, s=50 Dispersion of white light in demonstration experiments; High-quality prism made of optical glass, three sides polished, refracting edges Length of sides = 50 mm Special features: ● Compact, powerful (up to 1mW) semiconductor laser ● Basic operation at 0.2 mW (complying with regulations), power increased to 1 mW using internal or external switch ● Output wave length of 635 nm (highly visible and conserves experiment data for HeNe lasers!) ● Linearly polarized ● May be effectively amplitude-modulated using signals from conventional CD or MP3 players. ● May only be switched on with key switch, enhances safety ● Built-in battery featuring long working life – no connections required for basic operating mode For additional technical details, please refer to main catalogue p. 462 or “www.ntl.at” DP130-3M Connecting cable for modulation DL100-3R Laser receiver unit, set Modular equipment set, suitable for a magnetic panel, for receiving and amplifying laser signals and for acoustically rendering modulated laser signals Set consists of: 1x MB220-2F Photodiode, “compact”, magnetic 1x MB270-2V LF amplifier “compact”, magnetic 1x MB240-1L MBC Loudspeaker 2x P3712-1S Jumper plugs, MBC, black 2x P3712-2S Jumper plug with connector terminal, MBC, black Required power supply: P3130-1P Mains transformer 12V DC/2A P3120-5G Assembly platform, large For mounting devices and instruments with a magnetic base Dimensions: 260x230 mm 14 All prices excl. VAT, subject to change, errors excepted.
the world of experiments Tremendous quality at an affordable price Measuring the wavelength of laser light DL500-0B Lens “demo”, f = +20 mm DL500-2A Lens “demo”, f = -30 mm DL408-2I Michelson interferometer Precision device for measuring phenomena such as light wavelength, index of refraction etc.; the base plate has a hole for mounting ground cell DL408-3K in order to measure the index of refraction of gases; supplied with hard plastic cover to protect optical parts For additional technical details, please refer to main catalogue p. 476 or “www.ntl.at” Remote control DL408-3K Round cell for interferometer Apparatus used together with Michelson interferometer DL408-3I for measuring the index of refraction of gases. All prices excl. VAT, subject to change, errors excepted. 15
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Page 5 and 6: the world of experiments Oscillator
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NTL Folder 16-seiter ENG INT (Page 1)

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