Page 129 - Fiber Bragg Gratings
P. 129
XeCl (308 nm) Same as above Same as above Same as above Same as above Same as above
pumped dye
laser
Argon ion laser, 257, 244, intra- Up to ~2 W; up 1 mm, elliptical High coherence, Source with an
514/488 nm cavity to ~1 W CW TEMOO can be oper- excellent beam
frequency- ated single- quality for grat-
doubled in frequency but ing fabrica-
KDP/BBO not necessary tion; contact
and noncon-
tact phase
mask/
interferometer
but not ideal
for Type II grat-
ings
Diode pumped 262, frequency- -100 mW QS ~1 mm elliptical Medium coher- Good source for
quadrupled QS doubled exter- 100 ns pulses TEMOO ence, good Type I and II
NdrYLF (1048 nally in KTP beam quality grating writ-
nm) and BBO ing in fibers
and planar
Argon ion laser Fundamental -200 mW 1 mm TEMOO Excellent coher- Writing through
at 302 nm wavelength ence: tube life- the jacket of
time? D/H 2 loaded fi-
bers
Krypton ion laser Frequency- >1 W 1 mm TEMOO Ideal near-UV Through the
a
at 647 nm doubled in source; long jacket inscrip-
BBO to 323.5 lifetime tion of D/H 2
nm loaded fibers
"Proposed by author; unused as yet.