<s>
The	O
algorithm	O
fits	O
a	O
surrogate	B-Algorithm
model	I-Algorithm
based	O
on	O
random	O
Fourier	O
features	O
and	O
then	O
uses	O
a	O
well-known	O
L-BFGS	B-Algorithm
algorithm	O
to	O
find	O
an	O
optimum	O
of	O
the	O
surrogate	B-Algorithm
model	I-Algorithm
.	O
</s>
<s>
DONE	O
was	O
first	O
demonstrated	O
for	O
maximizing	O
the	O
signal	O
in	O
optical	B-Application
coherence	I-Application
tomography	I-Application
measurements	O
,	O
but	O
has	O
since	O
then	O
been	O
applied	O
to	O
various	O
other	O
applications	O
.	O
</s>
