Multi-plane, Multi-band image projection via
Broadband Diffractive Optics
Posted on 2019-12-20 - 22:29
We demonstrate visible and near-IR image projection via non-absorbing, multilevel
Broadband Diffractive-Optical Elements (BDOEs) in 1 or more planes. By appropriate
design of the BDOE topography, we experimentally demonstrate: (1) different images in
different spectral bands; (2) different images in different image planes; (3) image
magnification by changing the distance between the illumination source and the BDOE; (4)
completely flat BDOE via an index-contrast top-coating; and (5) reflective BDOEs. All of
these are accomplished with broadband illumination. Furthermore, the BDOEs are highly
efficient, versatile and can be inexpensively mass manufactured using imprint-based
replication techniques.
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Meem, Monjurul; Majumder, Apratim; Menon, Rajesh (2019). Multi-plane, Multi-band image projection via
Broadband Diffractive Optics. Optica Publishing Group. Collection. https://doi.org/10.6084/m9.figshare.c.4639463.v1
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AUTHORS (3)
MM
Monjurul Meem
AM
Apratim Majumder
RM
Rajesh Menon