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Anti-reflective and reflective coatings of laser mirrors and beam splitters
· Absorption, Transmission, Reflection
· Anti-reflective and reflective coatings
· Types of substrates of laser mirrors
· Dielectric and Metal Coatings
· Beam splitters
· Light filters
· Radiation detection
· Integrating sphere
· A system of laser beams with a given intensity distribution
Highly reflective and antireflective surfaces of laser mirrors are made by spraying multilayer dielectric coatings (for example, SiO2, Al2O3, Ta2O5) on the optical surface of the substrate material. For conventional optical elements and laser mirrors of the middle and far infrared ranges, metal coatings (for example, Ag, Au, Cu, Al) can also be used. In this work, students will study different types of coatings of optical elements, will be able to master the ability to control the transmission and reflection of laser mirrors, and also analyze the dependence of reflection on the type of material and the radiation wavelength. The educational set will allow you to study the effect of light polarization on the reflection and transmission of laser mirrors and to demonstrate the splitting of the laser beam using beam splitters. Glass substrates of laser mirrors without coating, with antireflection, highly reflective, dielectric and metal coatings are used as objects of study. All measurements are made using educational integrating sphere. Using a set of optical elements characterized by various properties and reflection and transmission values can realize the assembly of a system of laser beams with a given intensity distribution.
1) Optical substrate 4x4 cm without coating, 1 pc.
2) An optical substrate with an antireflective dielectric coating on one side at a wavelength of 450 nm, 1 pc.
3) Optical substrate with antireflective dielectric coating on both sides at a wavelength of 450 nm, 1 pc.
4) Optical substrate with a highly reflective dielectric coating at a wavelength of 450 nm, 1 pc.
5) A set of substrates with a metal coating of Al, Au, Cu.
6) Depolarizer in holder, 1 pc.
7) Polarizer in a rotating holder, 1 pc.
8) Set of beam splitting plates, 3 pcs.
9) Set of light filters, 3 pcs.
10) Optical plate 40x40 cm, 1 pc.

11) Optical rail 25 cm, 3 pcs.
12) 450 nm Laser Diode Module, 1 pc.
13) 808 nm Laser Diode Module, 1 pc.
14) Educational integrating sphere, 1 pc.
15) Digital multimeter OWON B41T, 1 pc.
16) Photodetector in holder, 1 pc.
17) Optical rail carriers, 7 pcs.
18) Manual, 1 pc.
19) Packing case with lodgement, 1 pc.
1) Lasers Diode sat various wavelengths (on request).
2) A set of optical substrates of various types of glass and quartz without coating.
3) A set of substrates with highly reflective and antireflective dielectric coatings.

4) Two wavelength dielectric coated substrate.
5) Digital Oscilloscope, 100 MHz, 2 channels, 1 pc.
6) System for measuring the diameter of the laser beam using the «knife» method (optical rail carrier, blade, translator), 1 pc.