Aksikonai (kūginiai lęšiai)


Išgaubti aksikonai (kūginiai lęšiai) image

Išgaubti aksikonai (kūginiai lęšiai)

Išgaubti aksikonai (kūginiai lęšiai)

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Material UVFS
Diameter tolerance +0/-0.15 mm
Thickness tolerance ±0.1 mm
Apex angle 90° – 179.98°
Clear aperture >90%
Apex angle tolerance ±0.5°
Surface quality 40-20 S-D
Protective chamfers <0.25 mm x 45°
UV coatings AR/AR (Ravg≤0.75%) @ 250-425 nm
+ (R<0.5%) @ 370-420 nm AOI=0°
VIS coatings AR/AR (Ravg≤0.4%) @ 425-675 nm, AOI=0°
NIR coatings AR/AR (Ravg≤0.8%) @ 600-1100 nm, AOI=0°
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Aprašymas Savybės Metrology
Plano-convex axicons are conical lenses which are used for variety of applications. When followed by a conventional spherical lens, axicons can focus laser light to a ring shape with annular focus. This feature can be used in hole drilling, microscopy and medical applications. Another interesting feature of axicons is a possibility to transform Gaussian beam into non-diffractive Bessel beam in the near field. Bessel beams can be used in atom or molecule guiding applications.

Altechna offers two types of plano-convex axicons: regular and precision. Regular axicons will create annularly shaped beam. Precision axicons (item ID ending with -P, eg. 1-APX-2-B254-P) will also transform Gaussian beam into a Bessel beam. You can choose accordingly, depending to your specific application.
varna Produces non diffracting Bessel beam in the near field and ring shaped image in the far field
varna Available diameter up to 75 mm
varna Plano Convex, Plano Concave and Double Convex available
varna Various AR Coatings are available for all these lenses
Altechna metrology lab applies following product inspection:
Visual inspection – surface quality evaluation according to MIL 13830 and ISO 10110 standards
Dimensions – measurement of geometrical dimensions, as diameter, thickness, etc.
Transmitted beam in near and far field (Bessel region and ring)*
*(…) used equipment

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Items per page page
Diameter, mm Edge thickness, mm Apex angle, deg Coatings Delivery Product ID Price Action
25.4 3.5 175 AR/AR(Ravg≤0.4%)@425–675nm, AOI=0° Request 1-APX-2-VIS-F254 Request REQ
25.4 3.5 176 AR/AR(Ravg≤0.4%)@425–675nm, AOI=0° Request 1-APX-2-VIS-G254 Request REQ
25.4 3.5 140 uncoated Request 1-APX-2-C254 Request REQ
25.4 3.5 160 uncoated Request 1-APX-2-D254 Request REQ
25.4 3.5 178 uncoated Request 1-APX-2-H254 Request REQ
25.4 3.5 179 uncoated Request 1-APX-2-J254 Request REQ
25.4 3.5 178 AR/AR(Ravg≤0.4%)@425–675nm, AOI=0° Request 1-APX-2-VIS-H254 Request REQ
25.4 3.5 178 AR/AR(Ravg≤0.8%)@600-1100nm, AOI=0° Request 1-APX-2-NIR-H254 Request REQ
25.4 3.5 130 AR/AR(Ravg≤0.75%)@250-425nm+(R<0.5%)@370-420nm AOI=0° Request 1-APX-2-UV-B254 Request REQ
25.4 3.5 140 AR/AR(Ravg≤0.4%)@425–675nm, AOI=0° Request 1-APX-2-VIS-C254 Request REQ
25.4 3.5 170 AR/AR(Ravg≤0.4%)@425–675nm, AOI=0° Request 1-APX-2-VIS-E254 Request REQ
25.4 3.5 179 AR/AR(Ravg≤0.4%)@425–675nm, AOI=0° Request 1-APX-2-VIS-J254 Request REQ
25.4 5 178 uncoated Request 1-APX-2-H254-P Request REQ
25.4 5 170 uncoated Request 1-APX-2-E254-P Request REQ
25.4 5 175 uncoated Request 1-APX-2-F254-P Request REQ
25.4 5 178 AR/AR(Ravg≤0.4%)@425–675nm, AOI=0° Request 1-APX-2-VIS-H254-P Request REQ
25.4 5 178 AR/AR(Ravg≤0.8%)@600-1100nm, AOI=0° Request 1-APX-2-NIR-H254-P Request REQ
25.4 5 170 AR/AR(Ravg≤0.8%)@600-1100nm, AOI=0° Request 1-APX-2-NIR-E254-P Request REQ
25.4 5 170 AR/AR(Ravg≤0.75%)@250-425nm+(R<0.5%)@370-420nm AOI=0° Request 1-APX-2-UV-E254-P Request REQ
25.4 5 175 AR/AR(Ravg≤0.75%)@250-425nm+(R<0.5%)@370-420nm AOI=0° Request 1-APX-2-UV-F254-P Request REQ
25.4 3.5 175 uncoated Request 1-APX-2-F254 Request REQ
25.4 3.5 90 uncoated Request 1-APX-2-A254 Request REQ
25.4 3.5 178 AR/AR(Ravg≤0.75%)@250-425nm+(R<0.5%)@370-420nm AOI=0° Request 1-APX-2-UV-H254 Request REQ
25.4 3.5 140 AR/AR(Ravg≤0.8%)@600-1100nm, AOI=0° Request 1-APX-2-NIR-C254 Request REQ
25.4 3.5 140 AR/AR(Ravg≤0.75%)@250-425nm+(R<0.5%)@370-420nm AOI=0° Request 1-APX-2-UV-C254 Request REQ
25.4 3.5 160 AR/AR(Ravg≤0.8%)@600-1100nm, AOI=0° Request 1-APX-2-NIR-D254 Request REQ
25.4 3.5 175 AR/AR(Ravg≤0.75%)@250-425nm+(R<0.5%)@370-420nm AOI=0° Request 1-APX-2-UV-F254 Request REQ
25.4 3.5 179 AR/AR(Ravg≤0.8%)@600-1100nm, AOI=0° Request 1-APX-2-NIR-J254 Request REQ
25.4 5 175 AR/AR(Ravg≤0.8%)@600-1100nm, AOI=0° Request 1-APX-2-NIR-F254-P Request REQ
25.4 5 176 AR/AR(Ravg≤0.4%)@425–675nm, AOI=0° Request 1-APX-2-VIS-G254-P Request REQ
25.4 5 176 AR/AR(Ravg≤0.8%)@600-1100nm, AOI=0° Request 1-APX-2-NIR-G254-P Request REQ
25.4 5 179 AR/AR(Ravg≤0.4%)@425–675nm, AOI=0° Request 1-APX-2-VIS-J254-P Request REQ
25.4 5 179 AR/AR(Ravg≤0.75%)@250-425nm+(R<0.5%)@370-420nm AOI=0° Request 1-APX-2-UV-J254-P Request REQ
25.4 3.5 130 uncoated Request 1-APX-2-B254 Request REQ
25.4 3.5 130 AR/AR(Ravg≤0.4%)@425–675nm, AOI=0° Request 1-APX-2-VIS-B254 Request REQ
25.4 3.5 160 AR/AR(Ravg≤0.4%)@425–675nm, AOI=0° Request 1-APX-2-VIS-D254 Request REQ
25.4 3.5 160 AR/AR(Ravg≤0.75%)@250-425nm+(R<0.5%)@370-420nm AOI=0° Request 1-APX-2-UV-D254 Request REQ
25.4 3.5 170 AR/AR(Ravg≤0.8%)@600-1100nm, AOI=0° Request 1-APX-2-NIR-E254 Request REQ
25.4 3.5 175 AR/AR(Ravg≤0.8%)@600-1100nm, AOI=0° Request 1-APX-2-NIR-F254 Request REQ
25.4 3.5 176 AR/AR(Ravg≤0.8%)@600-1100nm, AOI=0° Request 1-APX-2-NIR-G254 Request REQ
25.4 3.5 176 AR/AR(Ravg≤0.75%)@250-425nm+(R<0.5%)@370-420nm AOI=0° Request 1-APX-2-UV-G254 Request REQ
25.4 3.5 179 AR/AR(Ravg≤0.75%)@250-425nm+(R<0.5%)@370-420nm AOI=0° Request 1-APX-2-UV-J254 Request REQ
25.4 3.5 90 AR/AR(Ravg≤0.8%)@600-1100nm, AOI=0° Request 1-APX-2-NIR-A254 Request REQ
25.4 5 176 uncoated Request 1-APX-2-G254-P Request REQ
25.4 5 178 AR/AR(Ravg≤0.75%)@250-425nm+(R<0.5%)@370-420nm AOI=0° Request 1-APX-2-UV-H254-P Request REQ
25.4 5 175 AR/AR(Ravg≤0.4%)@425–675nm, AOI=0° Request 1-APX-2-VIS-F254-P Request REQ
25.4 5 176 AR/AR(Ravg≤0.75%)@250-425nm+(R<0.5%)@370-420nm AOI=0° Request 1-APX-2-UV-G254-P Request REQ
25.4 3.5 130 AR/AR(Ravg≤0.8%)@600-1100nm, AOI=0° Request 1-APX-2-NIR-B254 Request REQ
25.4 3.5 170 AR/AR(Ravg≤0.75%)@250-425nm+(R<0.5%)@370-420nm AOI=0° Request 1-APX-2-UV-E254 Request REQ
25.4 3.5 90 AR/AR(Ravg≤0.75%)@250-425nm+(R<0.5%)@370-420nm AOI=0° Request 1-APX-2-UV-A254 Request REQ
25.4 3.5 90 AR/AR(Ravg≤0.4%)@425–675nm, AOI=0° Request 1-APX-2-VIS-A254 Request REQ
25.4 5 170 AR/AR(Ravg≤0.4%)@425–675nm, AOI=0° Request 1-APX-2-VIS-E254-P Request REQ
25.4 3.5 176 uncoated Request 1-APX-2-G254 Request REQ
25.4 5 179 uncoated Request 1-APX-2-J254-P Request REQ
25.4 5 179 AR/AR(Ravg≤0.8%)@600-1100nm, AOI=0° Request 1-APX-2-NIR-J254-P Request REQ
25.4 3.5 170 uncoated Request 1-APX-2-E254 Request REQ

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