<s>
A	O
fiberscope	B-Algorithm
is	O
a	O
flexible	O
optical	B-Architecture
fiber	I-Architecture
bundle	O
with	O
an	O
eyepiece	O
on	O
one	O
end	O
and	O
a	O
lens	O
on	O
the	O
other	O
that	O
is	O
used	O
to	O
examine	O
and	O
inspect	O
small	O
,	O
difficult-to-reach	O
places	O
such	O
as	O
the	O
insides	O
of	O
machines	O
,	O
locks	O
,	O
and	O
the	O
human	O
body	O
.	O
</s>
<s>
Guiding	O
of	O
light	O
by	O
refraction	O
,	O
the	O
principle	O
that	O
makes	O
fiber	B-Architecture
optics	I-Architecture
possible	O
,	O
was	O
first	O
demonstrated	O
by	O
Daniel	O
Colladon	O
and	O
Jacques	O
Babinet	O
in	O
Paris	O
in	O
the	O
early	O
1840s	O
.	O
</s>
<s>
Then	O
in	O
1930	O
,	O
Heinrich	O
Lamm	O
,	O
a	O
German	O
medical	O
student	O
,	O
became	O
the	O
first	O
person	O
to	O
put	O
together	O
a	O
bundle	O
of	O
optical	B-Architecture
fibers	I-Architecture
to	O
carry	O
an	O
image	O
.	O
</s>
<s>
These	O
discoveries	O
led	O
to	O
the	O
invention	O
of	O
endoscopes	B-Application
and	O
fiberscopes	B-Algorithm
.	O
</s>
<s>
In	O
1964	O
the	O
fiberscope	B-Algorithm
,	O
the	O
first	O
gastro	O
camera	O
,	O
was	O
invented	O
.	O
</s>
<s>
Fiberscopes	B-Algorithm
work	O
by	O
utilizing	O
the	O
science	O
of	O
fiber-optic	B-Architecture
bundles	O
,	O
which	O
consist	O
of	O
numerous	O
fiber-optic	B-Architecture
cables	I-Architecture
.	O
</s>
<s>
Fiber-optic	B-Architecture
cables	I-Architecture
are	O
made	O
of	O
optically	O
pure	O
glass	O
and	O
are	O
as	O
thin	O
as	O
a	O
human	O
’s	O
hair	O
.	O
</s>
<s>
The	O
three	O
main	O
components	O
of	O
a	O
fiber-optic	B-Architecture
cable	I-Architecture
are	O
:	O
</s>
<s>
The	O
following	O
are	O
the	O
two	O
different	O
types	O
of	O
fiber-optic	B-Architecture
bundles	O
in	O
a	O
fiberscope	B-Algorithm
:	O
</s>
<s>
Fiber-optic	B-Architecture
cables	I-Architecture
use	O
total	O
internal	O
reflection	O
to	O
carry	O
information	O
.	O
</s>
<s>
In	O
optic	O
cables	O
,	O
light	O
travels	O
through	O
the	O
dense	O
glass	O
core	B-Device
(	O
high	O
refractive	O
index	O
)	O
by	O
constantly	O
reflecting	O
from	O
the	O
less	O
dense	O
cladding	B-Device
(	O
lower	O
refractive	O
index	O
)	O
.	O
</s>
<s>
This	O
happens	O
because	O
the	O
surface	O
of	O
the	O
core	B-Device
acts	O
like	O
a	O
perfect	O
mirror	O
and	O
the	O
angle	O
of	O
the	O
light	O
is	O
always	O
larger	O
than	O
the	O
critical	O
angle	O
.	O
</s>
<s>
Articulation	O
system	O
-	O
The	O
ability	O
of	O
the	O
user	O
to	O
control	O
the	O
movement	O
of	O
the	O
bending	O
section	O
of	O
the	O
fiberscope	B-Algorithm
that	O
is	O
directly	O
attached	O
to	O
the	O
distal	O
lens	O
.	O
</s>
<s>
Fiberscope	B-Algorithm
body	O
–	O
The	O
control	O
section	O
that	O
is	O
designed	O
to	O
help	O
aide	O
one	O
hand	O
operation	O
.	O
</s>
<s>
Insertion	O
tube	O
–	O
Most	O
of	O
the	O
length	O
of	O
the	O
fiberscope	B-Algorithm
,	O
made	O
to	O
be	O
durable	O
and	O
flexible	O
.	O
</s>
<s>
This	O
protects	O
the	O
optical	B-Architecture
fiber	I-Architecture
bundle	O
and	O
the	O
articulation	O
cables	O
.	O
</s>
<s>
Bending	O
section	O
–	O
The	O
most	O
flexible	O
part	O
of	O
the	O
fiberscope	B-Algorithm
,	O
it	O
connects	O
the	O
insertion	O
tube	O
to	O
the	O
distal	O
viewing	O
section	O
.	O
</s>
<s>
Fiberscopes	B-Algorithm
are	O
used	O
in	O
the	O
medical	O
field	O
as	O
a	O
tool	O
to	O
help	O
doctors	O
and	O
surgeons	O
examine	O
problems	O
in	O
a	O
patient	O
’s	O
body	O
without	O
having	O
to	O
make	O
large	O
incisions	O
.	O
</s>
<s>
This	O
procedure	O
is	O
called	O
an	O
endoscopy	B-Application
.	O
</s>
<s>
Although	O
any	O
medical	O
technique	O
has	O
its	O
potential	O
risks	O
,	O
using	O
a	O
fiberscope	B-Algorithm
for	O
endoscopy	B-Application
has	O
a	O
very	O
low	O
risk	O
of	O
causing	O
infection	O
and	O
blood	O
loss	O
.	O
</s>
<s>
Locksmiths	O
use	O
fiberscopes	B-Algorithm
to	O
check	O
the	O
position	O
of	O
pins	O
.	O
</s>
<s>
Technicians	O
and	O
inspectors	O
use	O
fiberscopes	B-Algorithm
to	O
look	O
at	O
the	O
inside	O
of	O
machines	O
without	O
having	O
to	O
disassemble	O
them	O
.	O
</s>
<s>
Fiberscopes	B-Algorithm
can	O
also	O
be	O
used	O
in	O
a	O
military	O
or	O
police	O
application	O
to	O
check	O
beneath	O
doors	O
or	O
around	O
corners	O
,	O
or	O
otherwise	O
perform	O
surveillance	O
or	O
reconnaissance	O
.	O
</s>
<s>
The	O
1982	O
film	O
Who	O
Dares	O
Wins	O
,	O
about	O
the	O
Special	O
Air	O
Service	O
,	O
depicted	O
the	O
use	O
of	O
fiberscopes	B-Algorithm
in	O
counterterrorism	O
.	O
</s>
<s>
Fiberscopes	B-Algorithm
are	O
an	O
important	O
tool	O
in	O
tactical	O
shooters	O
such	O
as	O
Tom	B-Application
Clancy	I-Application
's	I-Application
Rainbow	I-Application
Six	I-Application
,	O
Splinter	O
Cell	O
,	O
SWAT	B-Device
,	O
Ready	B-Application
or	I-Application
Not	I-Application
,	O
and	O
Door	B-Application
Kickers	I-Application
,	O
where	O
they	O
are	O
used	O
to	O
check	O
under	O
doors	O
or	O
around	O
corners	O
without	O
revealing	O
the	O
player	O
's	O
position	O
or	O
exposing	O
them	O
to	O
enemy	O
attack	O
.	O
</s>
