![]() ![]() If your item is returned to us because it could not be delivered we will contact you about reshipment. Several mohawks may be shipped in one box together, but no other items. If you have questions about how to measure please contact me.įEATHER MOHAWKS ALWAYS SHIP SEPARATELY FROM OTHER ITEMS. ![]() If your package is returned as undeliverable or for incorrect address additional shipping costs will apply to have the package reshipped.ĭue to rising shipping costs, I can no longer offer free return shipping labels for items in order to have them resized. ***Proper customs information will be used on ALL customs forms. I CANNOT PREDICT, PAY, OR BE RESPONSIBLE FOR ANY VAT OR CUSTOMS FEES. Using the tracking info you have all the same information about the package that we have. We do NOT have any information about a package beyond what the tracking number provides and we have no way of contacting the post office about your order. Tracking info is emailed to you when your item ships and can be found in your Etsy account tabs. If your package is returned due to incorrect or undeliverable address you will be responsible for the cost of re shipment.Īll items are shipped with tracking numbers. We make no changes to addresses entered by the customer. We are not liable for undeliverable addresses or incorrect shipping addresses. Packages are shipped with a tracking number. The order turn around time listed here supersedes that in the listing!!! (3) For gratings supporting both S and P polarizations, the diffraction efficieny is the average efficiencies of S and P polarization at any given wavelength over the operation wavelength range.Please refer to the order turn around time listed in the Shop Header and the email sent to you after you place your order. S-polarization: incident electric-field vector parallel to grating lines. (2)P-polarization: incident electric-field vector perpendicular to grating lines. (1) Gratings will be highly efficient over a larger range of angles please inquire, Pulse compression of pico- and femtosecond pulses Optical telecommunications (ROADM, WSS, WDM mux/demux) No polymers or organics are used Telcordia-qualifiedĮach grating is a master ultralow scatterĮxtremely precise line density (line density uniformity, <0.001 lines/mm) Uses only fused silica and highly robust dielectric materials Special design for broad passband and low angular sensitivity Ultralow polarization-dependent loss (for applicable designs) ![]() Unlike reflection diffraction gratings, transmission diffraction gratings may be polarization-independent and can operate at the optimal Littrow angle with conveniently large angular separation between the input and diffracted beam ![]() They contain no organic materials and can withstand temperatures of up to 500☌ with no performance degradation. High-energy pulsed and CW laser systems will benefit from the high optical damage threshold of our diffraction gratings. High diffraction efficiency (95% typical) allows our customers to minimize optical losses in multipass configurations. These gratings offer an attractive combination of excellent optical performance, reliability, and competitive pricing. The product line of transmission gratings by II-VI utilizes state-of-the-art design and precise lithographic wafer-scale fabrication to deliver record-breaking optical performance combined with low cost, providing your optical systems with a powerful competitive edge. Transmission gratings operate to angularly disperse incident light into a spectrum. ![]()
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