The advancement of 3D-printing opens up a new way of constructing affordable custom terahertz (THz) components due to suitable printing resolution and THz transparency of polymer materials. We present a way of calculating, designing, and fabricating a THz waveplate that phase-modulates an incident THz beam (λ0 = 2.14 mm) in order to create a predefined intensity profile of the optical wavefront on a distant image plane. Our calculations were performed for two distinct target intensities with the use of a modified Gerchberg-Saxton algorithm. The resulting phase-modulating profiles were used to model the polylactide elements, which were printed out with a commercially available 3D-printer. The results were tested in a THz experimental setup equipped with a scanning option, and they showed good agreement with theoretical predictions.

1.
M.
Tonouchi
,
Nat. Photonics
1
,
97
(
2007
).
2.
C.
Jansen
,
S.
Wietzke
,
O.
Peters
,
M.
Scheller
,
N.
Vieweg
,
M.
Salhi
,
N.
Krumbholz
,
C.
Jördens
,
T.
Hochrein
, and
M.
Koch
,
Appl. Opt.
49
,
E48
(
2010
).
3.
Y.
Xing
,
M.
Kaaniche
,
B.
Pesquet-Popescu
, and
F.
Dufaux
,
Digital Holographic Data Representation and Compression
(
Elsevier Science
,
2015
).
5.
6.
M.
Makowski
,
M.
Sypek
,
A.
Kolodziejczyk
, and
G.
Mikula
,
Opt. Eng.
44
,
125805
(
2005
).
7.
M.
Makowski
,
M.
Sypek
,
A.
Kolodziejczyk
,
G.
Mikula
, and
J.
Suszek
,
Opt. Eng.
46
,
045802
(
2007
).
8.
B.
Walther
,
C.
Helgert
,
C.
Rockstuhl
,
F.
Setzpfandt
,
F.
Eilenberger
,
E.-B.
Kley
,
F.
Lederer
,
A.
Tünnermann
, and
T.
Pertsch
,
Adv. Mater.
24
,
6300
(
2012
).
9.
J.
Sun
,
E.
Timurdogan
,
A.
Yaacobi
,
E. S.
Hosseini
, and
M. R.
Watts
,
Nature
493
,
195
(
2013
).
10.
N.
Yu
and
F.
Capasso
,
Nat. Mater.
13
,
139
(
2014
).
11.
P.
Genevet
and
F.
Capasso
,
Rep. Prog. Phys.
78
,
024401
(
2015
).
12.
J.
Upatnieks
and
C.
Leonard
,
J. Opt. Soc. Am.
60
,
297
(
1970
).
13.
M. T.
Gale
,
M.
Rossi
,
H.
Schütz
,
P.
Ehbets
,
H. P.
Herzig
, and
D.
Prongué
,
Appl. Opt.
32
,
2526
(
1993
).
14.
D.
Lin
,
P.
Fan
,
E.
Hasman
, and
M. L.
Brongersma
,
Science
345
,
298
(
2014
).
15.
Z.
Zeng
,
H.
Zheng
,
Y.
Yu
, and
A. K.
Asundi
,
Opt. Lasers Eng.
93
,
47
(
2017
).
16.
S.
Rotter
and
S.
Gigan
,
Rev. Mod. Phys.
89
,
015005
(
2017
).
17.
S. F.
Busch
,
M.
Weidenbach
,
M.
Fey
,
F.
Schäfer
,
T.
Probst
, and
M.
Koch
,
J. Infrared, Millimeter, Terahertz Waves
35
,
993
(
2014
).
18.
A. D.
Squires
,
E.
Constable
, and
R. A.
Lewis
,
J. Infrared, Millimeter, Terahertz Waves
36
,
72
(
2015
).
19.
J.
Suszek
,
A.
Siemion
,
M. S.
Bieda
,
N.
Błocki
,
D.
Coquillat
,
G.
Cywiński
,
E.
Czerwińska
,
M.
Doch
,
A.
Kowalczyk
,
N.
Palka
 et al.,
IEEE Trans. Terahertz Sci. Technol.
5
,
314
(
2015
).
20.
A.
Hernandez-Serrano
,
M.
Weidenbach
,
S.
Busch
,
M.
Koch
, and
E.
Castro-Camus
,
J. Opt. Soc. Am. B
33
,
928
(
2016
).
21.
W. D.
Furlan
,
V.
Ferrando
,
J. A.
Monsoriu
,
P.
Zagrajek
,
E.
Czerwińska
, and
M.
Szustakowski
,
Opt. Lett.
41
,
1748
(
2016
).
22.
W. J.
Otter
and
S.
Lucyszyn
,
Proc. IEEE
105
,
756
(
2017
).
23.
A.
Hernandez-Serrano
and
E.
Castro-Camus
,
J. Infrared, Millimeter, Terahertz Waves
38
,
567
(
2017
).
24.
H.
Xin
and
M.
Liang
,
Proc. IEEE
105
,
737
(
2017
).
25.
F.
Machado
,
P.
Zagrajek
,
J. A.
Monsoriu
, and
W. D.
Furlan
,
IEEE Trans. Terahertz Sci. Technol.
8
,
140
(
2018
).
26.
R. W.
Gerchberg
and
W. O.
Saxton
,
Optik
35
,
237
(
1972
).
27.
M.
Born
,
E.
Wolf
,
A. B.
Bhatia
,
P. C.
Clemmow
,
D.
Gabor
,
A. R.
Stokes
,
A. M.
Taylor
,
P. A.
Wayman
, and
W. L.
Wilcock
,
Principles of Optics: Electromagnetic Theory of Propagation, Interference and Diffraction of Light
, 7th ed. (
Cambridge University Press
,
1999
).
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