Title
TIGHT FOCUSING OF SINGULAR BEAMS; EFFECT OF PRIMARY ABERRATIONS: INVESTIGATIONS ON TIGHT FOCUSING OF SINGULAR BEAMS; EFFECT OF P,Used
Delivery time: 8-12 business days (International)
Focusing of Singular beam has attracted great deal of attention in recent years due to various practical applications and in physical optics. Importance has also been realized in polarization and pupil function engineering for desired focused structure. Quality of the focusing system plays a very important role in shaping the focused structure, and any imperfection in focusing system results in deformation or an increase in the size of the focal spot. This book reports detail investigations on the focusing of singular beams by high and low numerical aperture systems. Impact of aberrations on the focused structure is also discussed in the context of STED microscopy.
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Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
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Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
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Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.