Response from Jeremy at Thorlabs: The beam diameter needs to be taken into account when considering whether this would work for you. This system falls somewhere between the regimes of CW and pulsed laser induced damage, and could potentially damage an optic by mechanisms associated with either regime. Now compare the maximum power density to that which is specified as the LIDT for the optic. The lower red ray exiting the prism undergoes refraction, which is … The prism can therefore be used as a polarizing beam splitter. Horizontal polarization is perfect! Heutzutage werden Materialien verwendet, die bessere Transmissioneigenschaften im nahen Infrarot aufweisen, beispielsweise kristalline Glycose oder Glycerin.[5]. If you like mounting capabilities similar to the GTH10M, the GL10 can be mounted in a SM1PM10, which allows for easy adaptation to our 1" diameter high precision rotation stages, PRM1, or our standard 1" diameter rotation stage, RSP1.
As previously stated, pulsed lasers typically induce a different type of damage to the optic than CW lasers. For assistance with performing similar calculations, we provide a spreadsheet calculator that can be downloaded by clicking the button to the right. Im Fall von Kalkspat bei einer Wellenlänge von λ = 589 nm zwischen 1,486 (außerordentlicher Strahl) und 1,658 (ordentlicher Strahl), beispielsweise das früher oft genutzte Kanadabalsam[5] mit nK = 1,54. After exposure, the optic is examined by a microscope (~100X magnification) for any visible damage. Pulsed lasers often do not heat the optic enough to damage it; instead, pulsed lasers produce strong electric fields capable of inducing dielectric breakdown in the material. Thank you for contacting Thorlabs. Please let me know if this can stand this amount of power if not, can I use the GL5-A (glan laser polarizer) which one would be better for my application?

All that is needed is a lens tube of proper length. Total internal reflection of p-polarized light at the air gap means that only s-polarized light is transmitted straight through the prism. ◦A single-layer anti-reflection coating has been applied on the surface of the Glan Thompson prism to provide high transmittance. Glan-Thompson Polarisers. 91, 127402 (2003). R300, CMS/ITRI Rm.302, Bldg.12, 321, Sec.2,

Could you possibly provide the measured extinction ratio at your output and describe how you are aligning your glan thompson relative to the rochon prism? Thus, I want to know the beam deviation. Therefore, an adjustment must be applied for the shorter pulse duration of the system under consideration. [cite book |last=Bennett |first=Jean M . The prism can therefore be used as a polarizing beam … What is the max angle between transmitted S-polarization axis and the top or bottom surface of GTH5? Therefore, it is possible to manufacture of somewhat large DUV Glan-Thompson prism. You must now adjust this energy density to account for hotspots or other nonuniform intensity profiles and roughly calculate a maximum energy density. These unmounted prisms are ideal for custom applications; versions mounted in a round aluminum housing are also available. While the broadband mirror would likely be damaged by the laser, the more specialized laser line mirror is appropriate for use with this system. Beim Austritt aus dem Kristall liegt daher nur noch der linear polarisierte, außerordentliche Strahl vor, dessen Polarisation der Ausrichtung der optischen Achse entspricht.
|title=Handbook of Optics Volume II |edition=2nd ed. This Vis-NIR polarizer is recommended for low-to-medium power applications (up to 2W cw) requiring a large field of view and the highest degree of polarization purity.

For a Gaussian output, these specifications result in a maximum energy density of 0.1 J/cm2. Could it be something wrong with the cement? [5] Es wird vor allem für Hochleistungsanwendungen genutzt, für die das Glan-Thompson-Prisma weniger geeignet ist, da sich hier der Kleber erhitzen und somit zerstört werden kann. The GTH5 polarizers have a 5 mm x 5 mm aperture, while the GTH10 polarizers have a 10 mm x 10 mm aperture. However, since calcite is a natural material, transmission in the UV and NIR can vary. The prism can therefore be used as a polarizing beam splitter. The extinction ratio (ER) is the ratio of the maximum transmission of a linear polarized signal when the polarizer’s axis is aligned with the signal to the minimum transmission when the polarizer is rotated by 90°. For an explanation of why the linear power density provides the best metric for long pulse and CW sources, please see the "Continuous Wave and Long-Pulse Lasers" section below. In order to illustrate the process of determining whether a given laser system will damage an optic, a number of example calculations of laser induced damage threshold are given below. They can work with you to determine if we can provide a product suitable for your application. Continuing to use this site, you agree with this. When choosing optics, it is important to understand the Laser Induced Damage Threshold (LIDT) of the optics being used. For 355nm, we also have the alpha-BBO glan-laser polarizer (http://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=5093) which might be more suitable. Das Glan-Thompson-Prisma (nach Paul Glan und Silvanus Phillips Thompson) ist ein auf Doppelbrechung und Totalreflexion basierender Polarisator, der unpolarisiertes Licht linear polarisiert (s-Polarisation, d. h., die Polarisationsebene ist senkrecht zur Einfallsebene).


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