https://luhs.de/ https://luhs.de/Drawings/LuhsLogo.svg Logo of LUHS https://luhs.de/Drawings/LE-1600.svg LE-1600 Ruby Laser RL4000 https://luhs.de/Drawings/IodineLorbeer.png LE-1600 Ruby Laser RL4000 https://luhs.de/Drawings/DC-0300.png LE-1600 Ruby Laser RL4000 https://luhs.de/Drawings/LE-1000-News.png LE-1600 Ruby Laser RL4000 https://luhs.de/Drawings/LM-0600-News.svg LM-0600 HeNe Laser Gyroscope https://luhs.de/MainPages/photonics-experiments.html https://luhs.de/Drawings/PE-0100Principle.svg Set-up to demonstrate and measure double refraction of light https://luhs.de/Drawings/PE-0200Principle.svg Set-up to demonstrate and measure polarisation of light https://luhs.de/Drawings/PE-0300Principle.svg Set-up to study the reflection and transmission of light https://luhs.de/Drawings/PE-0400Principle.svg Set-up to study the diffraction of light https://luhs.de/Drawings/PE-0600Principle.svg Set-up and study interference of light with a Michelson and Mach-Zehnder interferometer 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https://luhs.de/Drawings/LE-1600-01.svg B. Basic version of the Ruby Laser RL4000 https://luhs.de/Drawings/LE-1600-02.svg C. The Ruby Laser RL4000 with attached photodetectors https://luhs.de/Drawings/LE-1600-03.svg LE-1600 Principle of Ruby Laser RL4000 https://luhs.de/Drawings/LE-1600-04.svg B. Basic version of the Ruby Laser RL4000 with attached photodetector https://luhs.de/Drawings/LE-1600-06.svg Measuring the lifetime of the excited state https://luhs.de/Drawings/LE-1600-05.svg D. Photodetector to measure the Ruby laser emission https://luhs.de/Drawings/LE-1600-07.svg Measuring the lifetime of the excited state https://luhs.de/Drawings/LE-1600-08.svg F. CCD camera to measure the intensity distribution of the Ruby laser emission https://luhs.de/Drawings/LE-1600-09.jpg Measuring the Ruby laser intensity distribution with a CCD camera https://luhs.de/Drawings/LE-1600-10.jpg Measuring interference pattern of inserted objects https://luhs.de/Contacts.php https://luhs.de/Pages/LM-0600.html https://luhs.de/Drawings/LM-0600.png LM-0600 HeNe Laser Gyroscope https://luhs.de/Drawings/LM-0600.svg Principle of Laser Gyroscope Set-up https://luhs.de/Pages/Laser.html https://luhs.de/images/PrYLFwithBF.png Birefringent tuner in Pr:YLF https://luhs.de/images/LM-10-019.jpg Card image cap https://luhs.de/images/LM-10-018.jpg Impressions of a Pr:Ylf laser https://luhs.de/images/Iodine.jpg Iodine Raman Laser https://luhs.de/images/Ruby-182.jpg Violet diode pumped cw Ruby Laser https://luhs.de/images/RubyLifetimeMeasurement.jpg Card image cap https://luhs.de/images/RubyCoherence.jpg Impressions of a Pr:Ylf laser https://luhs.de/images/TransverseGreenModes.png Iodine Raman Laser https://luhs.de/images/IodineStill.jpg LUHS - Dedicated to education Scientific tutorials, pictures and videos for free donload. https://luhs.de/Video/IodineMolecularLaser.mp4 2023-05-06T08:44:01Z https://luhs.de/Pages/PE-0200.html https://luhs.de/Drawings/PE-0200PolarisationofLight.png The image shows the experimental setup of LE-0200 "Polarisation of Light" https://luhs.de/Drawings/PE-0200Principle-0.svg Set-up to study the polarisation of light https://luhs.de/Drawings/PE-0200Principle-3.svg Investigating Birefringent Material https://luhs.de/Pages/PE-0300.html https://luhs.de/Drawings/PE-0300.png The image shows the experimental setup of LE-0300 "Reflection and Transmission" https://luhs.de/Drawings/PE-0300-01.svg Measuring the Light Intensity and Polarisation Property https://luhs.de/Drawings/PE-0300-2.svg Measure spatial intensity distribution https://luhs.de/Drawings/PE-0300-3.svg Measure Mirror properties https://luhs.de/Pages/PE-0100.html https://luhs.de/Drawings/PE-0100W.png Setup with a Pockels Cell https://luhs.de/Drawings/PE-0100Principle1.svg Setup to measure Malus' Law https://luhs.de/Pages/PE-0400.html https://luhs.de/Drawings/PE-0400.png PE-0400 Diffraction of Light https://luhs.de/Drawings/PE-0400-01.svg Principle set-up of PE-0400 Diffraction of Light https://luhs.de/Drawings/PE-0400-02.svg Description of the components of PE-0400 Diffraction of Light https://luhs.de/Pages/PE-0600.html https://luhs.de/Drawings/PE-0600.svg PE-0600 Optical Interferometer https://luhs.de/Drawings/PE-0600-1.svg Classical Michelson Interferometer Set-up https://luhs.de/Drawings/PE-0600-2.svg Mach-Zehnder Interferometer https://luhs.de/Drawings/PE-0600-3.svg Mach-Zehnder Interferometer with evacuable Cell https://luhs.de/Pages/PE-0700.html https://luhs.de/Drawings/PE-0700.png Abbe Refractomete https://luhs.de/Drawings/PE-0700.svg Light path of Abbe's refractometer https://luhs.de/Drawings/PE-0700-1.svg Description of the components and modules https://luhs.de/Pages/PE-0800.html https://luhs.de/Drawings/PE-0800.png PE-0800 Holography Set-up https://luhs.de/Drawings/PE-0800-1.svg Light path of fibre coupled holography set-up https://luhs.de/Pages/PE-1100.html https://luhs.de/Drawings/PE-1100.png PE-1100 LED and Diodelaser https://luhs.de/Drawings/PE-1100.svg Set-up to measure the spatial intensity distribution https://luhs.de/Drawings/PE-1100-1.svg Set-up to measure the spectral intensity distribution https://luhs.de/Pages/PE-1400.html https://luhs.de/Drawings/PE-1400.png Set-up of PE-1400 Spectrometer https://luhs.de/Drawings/PE-1400.svg Description of the components, light sources and spectrometer https://luhs.de/Drawings/PE-1400-1.svg Measured spectrum of the Neon lamp https://luhs.de/Drawings/PE-1400-2.svg Measured spectrum of the Tungsten lamp https://luhs.de/Pages/PE-1500.html https://luhs.de/Drawings/PE-1500.png PE-1500 Ruby Excited Lifetime & Spectroscopy https://luhs.de/Drawings/PE-1500-1.svg Optical pumping of the ruby crystal https://luhs.de/Drawings/PE-1500.svg Energy level diagram for “blue” pumping of the Ruby crystal https://luhs.de/Pages/LE-0100.html https://luhs.de/Drawings/LE-0100.png LE-0100 Emission, Absorption & Optical Pumping https://luhs.de/Drawings/LE-0100.svg LE-0100 Emission, Absorption & Optical Pumping, measuring the output power https://luhs.de/Drawings/LE-0100-1.svg LE-0100 Emission, Absorption & Optical Pumping, absorption measurement https://luhs.de/Drawings/LE-0100-2.svg LE-0100 Emission, Absorption & Optical Pumping, fluorescence measurement https://luhs.de/Pages/LE-0200.html https://luhs.de/Drawings/LE-0200.png LE-0200 Ruby Laser https://luhs.de/Drawings/LE-0200.svg LE-0200 Ruby laser with hemi-spheric cavity https://luhs.de/Drawings/LE-0200-2.svg LE-0200 Ruby laser with concentric cavity https://luhs.de/Pages/PE-1600.html https://luhs.de/Drawings/PE-1600-01.svg Optical pumping of Iodine molecules in a cell https://luhs.de/Drawings/LE-1300-01.svg Energy level diagram of the Iodine molecule https://luhs.de/Drawings/PE-1600.svg Optical pumping of Iodine molecules in a cell https://luhs.de/Pages/LE-0300.html https://luhs.de/Drawings/LE-0300.png LE-0300 HeNe-Laser, advanced https://luhs.de/Drawings/LE-0300.svg LE-0300 HeNe-Laser, advanced https://luhs.de/Drawings/LM-0300-GreenResonance.png Fabry Perot Interference fringes https://luhs.de/Pages/LE-0400.html https://luhs.de/Drawings/LE-0400.png LE-0400 Diodelaser Characterisation https://luhs.de/Drawings/LE-0400.svg A. Measuring the spatial intenity distribution https://luhs.de/Drawings/LE-0400-1.svg B. Beam shaping with a cylindric lens telescope https://luhs.de/Pages/LE-0500.html https://luhs.de/Drawings/LE-0500.png LE-0500 Pulsed Diode Laser https://luhs.de/Drawings/LE-0500.svg A. Principle of pulsed laser diode https://luhs.de/Drawings/LE-0500-1.svg B. Measuring the spatial intenity distribution https://luhs.de/Pages/LE-0600.html https://luhs.de/Drawings/LE-0600-01.svg LE-0600 Diode pumped Nd:YAG Laser, hemi-spherical cavity https://luhs.de/Drawings/LE-0600-02.svg LE-0600 Diode pumped Nd:YAG Laser with concentric cavity https://luhs.de/Drawings/LE-0600-04.svg Energy level diagram of the Nd:YAG Laser https://luhs.de/Drawings/LE-0600-03.svg Nd:YAG Laser principle with hemi spherical cavity https://luhs.de/Drawings/LE-0600-05.svg Nd:YAG Laser principle with concentric cavity https://luhs.de/Pages/LE-0700.html https://luhs.de/Drawings/LE-0700.svg LE-0700 Green SHG with Diode pumped Nd:YAG Laser with hemi-spherical cavity https://luhs.de/Drawings/LE-0700-01.svg LE-0700 Green SHG with Diode pumped Nd:YAG Laser with concentric cavity and birefringent tuner https://luhs.de/Drawings/RedYAG.png Nd:YAG laser oscillating on 1330 nm frquency doubled to 665 nm https://luhs.de/Drawings/LE-0700-02.svg Principle of intra-cavity frequency doubling with a Nd:YAG laser https://luhs.de/Drawings/LE-0700-03.svg Principle of intra-cavity frequency doubling with a Nd:YAG laser https://luhs.de/Drawings/LE-0700-04.svg Principle of second harmonic generation with intra-cavity iris diaphragm to control transverse modes https://luhs.de/Drawings/LE-0700-05.svg Tuning different “green” lines from 526 up to 539 nm with birefringent tuner (PFT Plate) https://luhs.de/Pages/LE-0800.html https://luhs.de/Drawings/LE-0800.svg LE-0800 Generation of Q-Switch Laser Pulses with saturable absorber https://luhs.de/Drawings/LE-0800-04.svg LE-0800 Generation of Q-Switch Laser Pulses with saturable Absorber and SHG https://luhs.de/Drawings/LE-0800-02.svg LE-0800 Generation of Q-Switch Laser Pulses with Pockels's cell https://luhs.de/Drawings/LE-0800-01.svg Principle of passive q-switch with saturable absorber https://luhs.de/Drawings/LE-0800-05.svg Principle of passive q-switch with an intra-cavity KTP frequency doupler crystal https://luhs.de/Drawings/LE-0800-03.svg Principle of passive q-switch with a Pockels cell https://luhs.de/Pages/LE-1200.html https://luhs.de/Drawings/LE-1200.svg LE-1200 Erbium doped Fibre Laser https://luhs.de/Drawings/LE-1200-01.png A. Visble green Emission created by two photon absorption https://luhs.de/Drawings/LE-1200-02.svg Set-up of a linear fibre laser https://luhs.de/Drawings/LE-1200-03.svg Principle set-up of the fiber ring laser https://luhs.de/Pages/LE-1300.html https://luhs.de/Drawings/LE-1300.svg LE-1300 Iodine Raman Laser https://luhs.de/Drawings/LE-1300-03.svg A. Iodine Raman Laser with intra-cavity birefringent tuner https://luhs.de/Drawings/LE-1300-04.svg A. Iodine Raman Laser with intra-cavity birefringent tuner, PZT and Photodiode https://luhs.de/Drawings/LE-1300-02.svg Principle of Iodine ring laser https://luhs.de/Pages/LE-1000.html https://luhs.de/Drawings/LE-1000.svg LE-1000 Blue Diode pumped Pr:YLF Laser https://luhs.de/Drawings/LE-1000-02.svg Energy level diagram of the Pr:YLF showing the absorption and emission https://luhs.de/Drawings/LE-1000-01.svg B. Pr:YLF Laser oscillating on the green line https://luhs.de/Drawings/LE-1000-03.svg C. Pr:YLF Laser oscillating on the red line selected by the BFT https://luhs.de/Drawings/LE-1000-04.svg Pr:YLF Laser with a spherical cavity https://luhs.de/Drawings/LE-1000-05.svg Pr:YLF Laser with a two flat mirrors M1 and M2 https://luhs.de/Drawings/LE-1000-06.svg A. Basic set-up with hemispherical cavity https://luhs.de/Drawings/LE-1000-07.svg B. Set-up of a spherical cavity with two curved mirrors https://luhs.de/Drawings/LE-1000-08.svg C. Intra-cavity second harmonic generation of 640nm to 320 nm https://luhs.de/Drawings/LE-1000-09.svg D. Setup with two plane mirrors using an intra.cavity lens https://luhs.de/Drawings/LE-1000-11.svg E. laser line tuning with an intra-cavity birefringent tuner https://luhs.de/Drawings/LE-1000-10.svg F. Setup to measure the fluorescence of the optically pumped Pr:YLF rod https://luhs.de/Pages/LT-0100.html https://luhs.de/Drawings/LT-0100.png LT-0100 POF - Plastic Fibre Optics https://luhs.de/Drawings/LT-0100.svg Principle of data transmission via Plastic Optical Fiber https://luhs.de/Drawings/LT-0100-1.svg Principle of Measuring the Laser Divergence https://luhs.de/Pages/LT-0200.html https://luhs.de/Drawings/LT-0200.png LT-0200 Glass Fibre Optics https://luhs.de/Drawings/LT-0200.svg Principle of data transmission via Optical Glass Fiber https://luhs.de/Drawings/LT-0200-1.svg Oscilloscope traces to determin the speed of ligth or the fibre length https://luhs.de/Pages/LT-0300.html https://luhs.de/Drawings/LT-0300.png LT-0300 Erbium doped Fibre Amplifier EDFA https://luhs.de/Drawings/LT-0300.svg Principle of LT-0300 Erbium doped Fibre Amplifier EDFA https://luhs.de/Drawings/LT-0300-1.svg A. Characterising a single laser diode https://luhs.de/Pages/LT-0400.html https://luhs.de/Drawings/LT-0400.png LT-0400 OTDR - Optical Time Domain Reflectometer https://luhs.de/Drawings/LT-0400.svg LT-0400 OTDR - Optical Time Domain Reflectometer https://luhs.de/Drawings/LT-0400-1.svg OTDR back scatter signal https://luhs.de/Drawings/LT-0400-2.svg Sources for light back scatter https://luhs.de/Pages/LT-0500.html https://luhs.de/Drawings/LT-0500.png LT-0500 Fibre Video & Audio Transmission https://luhs.de/Drawings/LT-0500.svg Principle of data transmission via optical fiber https://luhs.de/Pages/LM-0100.html https://luhs.de/Drawings/LM-0100.png LM-0100 Michelson Laser Interferometer https://luhs.de/Drawings/LM-0100.svg Principle set-up of the Michelson interferometer https://luhs.de/Drawings/LM-0100-1.svg Measuring the contrast function https://luhs.de/Pages/LT-0600.html https://luhs.de/Drawings/LT-0600.png LT-0600 Fibre Optics Workshop Basic https://luhs.de/Drawings/LT-0600-Stripping.png Stripping off the plastic cladding of the fiber with miller pliers https://luhs.de/Drawings/LT-0600-connectoring.png The stripped fiber is inserted into the ferrule of the connector https://luhs.de/Drawings/LT-0600-Scribing.png The protruding fiber is scribed with the scriber with a hard tungsten blade and broken apart https://luhs.de/Drawings/LT-0600-airpolish.png The first polishing step is performed as 'air polish' https://luhs.de/Drawings/LT-0600-polishing.png Subsequently to the air polishing the final poslihing takes place https://luhs.de/Drawings/LT-0600.svg Scribing the fiber https://luhs.de/Drawings/LT-0600-Fibre%20with%20core%20light.png Placeholder image https://luhs.de/Pages/LM-0120.html https://luhs.de/Drawings/LM-0120.png Set-up of LM-0120 Laser interferometer technical extension for LM-0100 https://luhs.de/Drawings/LM-0120-1.svg Principle of quadratur fringe generation and detecting https://luhs.de/Drawings/LM-0120-2.svg Principle of quadrature fringe generation and detecting https://luhs.de/Drawings/LM-0120-3.svg Principle of quadrature fringe generation and detecting https://luhs.de/Pages/LM-0140.html https://luhs.de/Drawings/LM-0140.png Set-up of LM-0140.png CNC Calibration Extension for LM-0100 https://luhs.de/Drawings/LM-0140-1.svg B. 90° phase shifted quadrature signal https://luhs.de/Drawings/LM-0140-1.png Principle of quadrature fringe generation and detecting https://luhs.de/Drawings/LM-0140-2.png C. Oscilloscope presentation of quadrature signals (left analog, right digital) https://luhs.de/Pages/LM-0300.html https://luhs.de/Drawings/LM-0300-1.png LM-0300 Fabry Perot Spectrum Analyzer https://luhs.de/Drawings/LM-0300.svg Principle Fabry-Perot Set-ups https://luhs.de/Drawings/LM-0300-1.svg B. Typical SFP measurement https://luhs.de/Pages/LM-0400.html https://luhs.de/Drawings/LM-0400.png Principle Laser Range Finder Set-up https://luhs.de/Drawings/LM-0400.svg Principle Laser Range Finder Set-up https://luhs.de/Drawings/LM-0400-1.svg Principle Laser Range Finder Set-up https://luhs.de/Pages/LM-0200.html https://luhs.de/Drawings/LM-0200.png Set-up of LM-0200 Zeeman Laser Frequency Stabilisation https://luhs.de/Drawings/LM-0200.svg Principle of HeNe Laser Zeeman stabilization https://luhs.de/Pages/LM-0500.html https://luhs.de/Drawings/LM-0500.png LM-0500 LDA - Laser Doppler Anemometer https://luhs.de/Drawings/LM-0500.svg Principle Laser Doppler Anemometer Set-up https://luhs.de/Drawings/LM-0500-1.svg Oscilloscope tracks to determine the particle flow https://luhs.de/Pages/LM-0700.html https://luhs.de/Drawings/LM-0700.png LM-0700 Laser safety https://luhs.de/Drawings/LM-0700.svg Principle of Measuring the Laser Divergence https://luhs.de/Drawings/LM-0700-1.svg Measured Laser divergence https://luhs.de/Pages/LM-0800.html https://luhs.de/Drawings/LM-0800.png LM-0800 Barcode Reader https://luhs.de/Manuals/UM-LE03.pdf https://luhs.de/Manuals/UM-LM06.pdf https://luhs.de/Manuals/UM-PE02.pdf https://luhs.de/Manuals/UM-PE03.pdf https://luhs.de/Manuals/UM-PE06.pdf https://luhs.de/Manuals/UM-PE08.pdf https://luhs.de/Manuals/UM-PE07.pdf https://luhs.de/Manuals/UM-PE14.pdf https://luhs.de/Manuals/UM-PE15.pdf https://luhs.de/Manuals/UM-LE02.pdf https://luhs.de/Manuals/UM-LE01.pdf https://luhs.de/Manuals/UM-LE13.pdf https://luhs.de/Manuals/UM-LE06.pdf https://luhs.de/Manuals/UM-LT03.pdf https://luhs.de/Manuals/UM-LE10.pdf https://luhs.de/Manuals/UM-LT01.pdf https://luhs.de/Manuals/UM-LT02.pdf https://luhs.de/Manuals/LT-0400.pdf https://luhs.de/Manuals/UM-LT05.pdf https://luhs.de/Manuals/LM-0100.pdf https://luhs.de/Manuals/UM-LT06.pdf https://luhs.de/Manuals/UM-LM03-2021.pdf https://luhs.de/Manuals/LM-0800.pdf