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ASTM Selected Technical Papers
Laser Induced Damage in Optical Materials: 1987
By
HE Bennett
HE Bennett
1
Naval Weapons Center
?
China Lake, California 93555
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AH Guenther
AH Guenther
2
Air Force Weapons Laboratory
?
Kirtland Air Force Base, New Mexico 87117
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D Milam
D Milam
3
Lawrence Livermore National Laboratory
?
Livermore, California 94550
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BE Newnam
BE Newnam
4
Los Alamos National Laboratory
?
Los Alamos, New Mexico 87545
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MJ Soileau
MJ Soileau
5
University of Central Florida
?
Orlando, Florida 32816
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ISBN-10:
0-8031-4481-4
ISBN:
978-0-8031-4481-1
No. of Pages:
653
Publisher:
ASTM International
Publication date:
1988

We obtained the damage-resistant crystals of potassium dihydrogen phosphate (KDP) by reducing organic impurities in the growth solution. To prevent organic impurity exuded from the wall of growth vessel, Pyrex glass was used. The residual organic impurities which mainly derived from KDP raw powder were reduced by photo-chemical dissociation using the combination of ultraviolet light and an oxidant (hydrogen peroxide). The resultant total organic carbon (TOC) of the solution was less than 0.1ppm. The damage threshold of the crystals grown from this solution were always high (20–22 J/cm2), which is about three times higher than that of crystals grown by conventional methods.

1.
Swain
,
J.E.
;
Stokowski
,
S.E.
;
Milam
,
D.
;
Rainer
,
F.
;
Improving the bulk laser damage resistance of potassium dihydrogen phosphate crystals by pulsed laser irradiation
.
Appl. Phys. Lett.
 0003-6951 
40
; 1982 February. 350 p.
2.
Newkirk
,
H.
;
Swain
,
J.E.
;
Stokowski
,
S.E.
;
Milarn
,
D.
X-ray topography of laser-induced damage in potassium dihydrogen phosphate crystals
.
J. Cryst. Growth
 0022-0248 
65
;
1983
. 651p.
3.
Laser Program Annual Repts.
;
Lawrence Livermore National Lab.
UCRL-50021-82.
1982
. 7–29.
4.
Yokotani
,
A.
;
Nishida
,
Y.
;
Fujioka
,
K.
;
Sasaki
,
T.
;
Yamanaka
,
T.
;
Yamanaka
,
C.
A chromogenic limulus test for detection of micobes that decreases the laser damage threshold of potassium dihydrogen phosphate crystals
.
J. of Appl. Phys.
 0021-8979 
61
(
9
); 1987 May. 4696p.
5.
Yokotani
,
A.
;
Sasaki
,
T.
;
Yashida
,
K.
;
Yamanaka
,
T.
;
Yamanaka
,
C.
Improvement of the bulk laser damage threshold of potassium dihydrogen phosphate crystals by ultraviolet irradiation
.
Appl. Phys. Lett.
 0003-6951 
48
; 1986 April. 1030p.
6.
Azarov
,
V.V.
;
Atroshchenko
,
L.V.
;
Danileiko
,
Yu.K.
;
Kolybaeva
,
M.I.
;
Minaev
,
Yu.P.
;
Nikolaev,V.
N.
;
Sidrin
,
A.V.
;
Zakharkin
,
B.I.
Influence of structure defects on the internal optical strength of KDP single crystals
.
Sov. J. Quantum. Electron.
15
; 1985 January. 89 p.
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