Atomic

For observing the Zeeman effect with the optical system (471 20). Highly parallel glass plate with prism added to couple light in. Made of optical quartz glass.

Technical Data •Material: Plate: Homosil Prism: Herasil •Refraction index: 1.457 •Resolution for l = 644 nm:...

For interferometer set up to the Zeeman effect, high parallel glass plate, two-sides semireflecting metal-coated, incline of the etalon to the optical axis is changeable by adjusting screws, on rod.

Technical Data •Diameter: 25 mm •Depth: 4 mm •Reflection coefficient: 0.85...

Including pole pieces and clamp.

Technical Data •Flux for a pole-piece spacing of 1 cm: 0.7 T •max.Recommended current: 20 A approx. •Pole pieces: Cross section: 8 cm x 8 cm Diameter of the pointed end: 22 mm Bore diameter: 8 mm •Connection: via two pairs of 4-mm sockets...

For experiments on electron spin resonance in conjunction with the ESR control unit (514 57) or the ESR adapter (514 56).

Technical Data •Power supply: 12 V; 175 mA •Frequency range of each coil: approx. 13 to 30 MHz, approx. 30 to 75 MHz, approx. 75 to 130 MHz •Voltage at RF...

The MCA box is part of the CASSY-S system and together with suitable detectors (e.g. NaJ(Tl) scintillation counters, Si-semiconductor detectors) and in combination with Sensor CASSY (524 010USB), CASSY Lab (524 200) and a computer, it constitutes a multi-channel pulse-amplitude analyzer for a...

Directly heated hot cathode tube with screw thread for heat sink and two-pin plug socket for cathode heating for X-ray apparatus (554 800 / 554 801).

Technical Data � Anode material: Copper � characteristic radiation: K� = 154 pm (8.04 kev), K� = 139 pm (8.91 keV) �...

Designed for qualitative and quantitative investigations of electron beams in electric and magnetic fields as well as for the determination of the charge-to-mass ratio e/m of the electron and also for measuring the electron velocity v.

For generation of a homogeneous magnetic field for the e/m determination with the fine beam tube (555 571). The holder supports the fine beam tube and provides the electrical connections to the tube. A measuring device with mirror and two riders for measuring the diameter of the electron beam...

Technical Data •Cross-grating: 5000 lines / cm •Opening: 4 mm ∅ •Flywheel: 10 cm ∅ •Aperture diaphragm: 5 x 6 cm, ∅ 1 mm •Filter: 5 x 5 cm •Mounting: 13 cm ∅ •Rod: 10 mm ∅

For demonstrating the discontinuous release of energy by free electrons upon collision with mercury atoms, and for determining their excitation energy. The Franck-Hertz curve is plotted either point-by-point with indicating instruments or continuously by means of a recorder or CASSY. Vacuum...

For easy demonstration of the discontinuous release of energy by free electrons upon collision with neon atoms, and the discreet energy states in neon atoms, as well as for determining the first excitation energy level. The Franck-Hertz curve is plotted either point-by-point with indicating...

Self-quenching Geiger-Müller counter tube, in a plastic housing, with a very thin mica end-window which also allows the registration of soft β radiation. With a permanently attached cable. Complete with a protective cap for the mica window.

Technical Data •Gas filling: neon, argon,...

•Casing: Impact-resistant plastic of high mechanical and thermal resistance; rear side made of transparent plastic so that the winding can be seen with square opening for slipping the coils over the U-core (562 11) •Electrical connections: via safety sockets •Centre taps: on coils with...

Narrow Electron Beam Tube The specific electron charge e/m can be determined quantitatively with this tube. A spherical chamber contains an electron beam system consisting of an indirectly heated oxide cathode, a perforated anode, and a Wehnelt cathode. The chamber also contains neon at a...

KA6021 Helmholtz Coils These coils can be used to produce a highly uniform magnetic field. Two single coils of 124 turns each, 29.5 cm in diameter, are arranged parallel to each other and 150 mm apart. The coils are wound with varnished copper wire, 1.5 mm in diameter.

The Franck-Hertz experiment, (1913, Nobel Prize 1926), with the well defined periodic and equidistant minima and maxima of the collector electrode current, is undoubtedly one of the most impressive experiments to demonstrate and verify the quantum theory. In these demonstrations, it is possible...

For demonstrating that free electrons colliding with mercury atoms emit energy in quantized packets and for determining the excitation energy of the (61S0 � 63P1) resonance line in mercury at 4.9 eV.

The Franck-Hertz experiment, (1913, Nobel Prize 1926), with the well defined periodic and equidistant minima and maxima of the collector electrode current, is undoubtedly one of the most impressive experiments to demonstrate and verify the quantum theory. In these demonstrations, it is possible...

The Franck-Hertz experiment, (1913, Nobel Prize 1926), with the well defined periodic and equidistant minima and maxima of the collector electrode current, is undoubtedly one of the most impressive experiments to demonstrate and verify the quantum theory. In these demonstrations, it is possible...

The Franck-Hertz experiment, (1913, Nobel Prize 1926), with the well defined periodic and equidistant minima and maxima of the collector electrode current, is undoubtedly one of the most impressive experiments to demonstrate and verify the quantum theory. In these demonstrations, it is possible...