Difference between revisions of "Caesium lithium borate"

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'''CsLiB<sub>6</sub>O<sub>10</sub>''' ('''Caesium lithium borate''', '''CLBO''') is a non-linear crystal for [[UV]] applications and generates the 4th and 5th harmonics of the [[Nd:YAG]] fundamental laser wavelength (1064&nbsp;nm).
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{{chembox
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| IUPACName = caesium oxide—lithium oxide—boron oxide (1/1/6)
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| Section2 = {{Chembox Properties
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|  Formula = CsLiB<sub>6</sub>O<sub>10</sub>
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|  MolarMass = 364.71 g/mol
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  }}
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| Section3 = {{Chembox Structure
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|  CrystalStruct = tetragonal, point group 4m2
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|  LattConst_a = 1049.4 pm
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|  LattConst_c = 893.9 pm
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  }}
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}}
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'''CsLiB<sub>6</sub>O<sub>10</sub>''' ('''Caesium lithium borate''', '''CLBO''') is a non-linear crystal for [[ultraviolet]] applications and generates the 4th and 5th harmonics of the [[Nd:YAG]] fundamental laser wavelength (1064&nbsp;nm).
  
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==Properties==
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==Nonlinear optical properties==
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*Transparency range : 180 nm - 2750 nm
 
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*Symmetry : tetragonal, point group 4m2
 
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*Cell parameters : ''a'' = 10.494, ''c'' = 8.939 Å
 
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*Mohs hardness : 4
 
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*Refractive indexes:
 
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**at 1064 nm : ''n<sub>o</sub>''= 1.4852; ''n<sub>e</sub>'' = 1.4353
 
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**at 532 nm : ''n<sub>o</sub>'' = 1.4985; ''n<sub>e</sub>'' = 1.4462
 
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**[[Sellmeier equation]]s (Range:of 400 - 2400 nm ; ''Ref: Proc. SPIE , '''4453''', 106 (2001)'')
 
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**:<math>n_o^2=2.2145+\frac{0.00890}{ \lambda^2 - 0.02051}-0.01413\lambda^2</math>
 
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**:<math>n_e^2=2.0588+\frac{0.00866}{ \lambda^2 - 0.01202}-0.00607\lambda^2</math>
 
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*Non-linear coefficient at 1064 nm : ''d''<sub>36</sub> = 0.86 pm/V
 
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*Optical damage threshold : 25 GW/cm<sup>2</sup> (1064 nm; 1.1 ns pulses)
 
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*Walk off:
 
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**at 532 nm : 1.83°
 
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**at 488 nm : 0.98°
 
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*Cut off SHG : 471 nm
 
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*Chemical properties : slightly hygroscopic
 
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===Nonlinear Optical Properties of CLBO===
 
 
{| class="wikitable" style="text-align:center"
 
{| class="wikitable" style="text-align:center"
 
!Harmonics wavelength<br>(nm)
 
!Harmonics wavelength<br>(nm)
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|213||67.3||0.87||1.69||0.42||0.16||5.1
 
|213||67.3||0.87||1.69||0.42||0.16||5.1
 
|}
 
|}
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<small>'''Ref:''' Y. Mori, I. Kuroda, S. Nakajima, T. Sasaki, and S. Nakai, Appl. Phys. Lett. '''67''', 1818 (1995). <br> Y. Mori, Y. K. Yap, M. Inagaki, S. Nakajima, A. Taguchi, W. L. Zhou, and T. Sasaki, in ''Advanced Solid-State Lasers'', Vol. 1 of ''Topics in Optics and Photonics'' ([[Optical Society of America|OSA]], Washington, D.C., 1996), p. 341.</small>
 
  
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==Applications==
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==References==
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*generation highest harmonics ([[Second harmonic generation|SHG]], THG, 4HG, 5HG) of [[laser]] radiation [[Nd:YAG]]
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*{{citation | first1 = Y. | last1 = Mori | first2 = I. | last2 = Kuroda | first3 = S. | last3 = Nakajima | first4 = T. | last4 = Sasaki | first5 = S. | last5 = Nakai | journal = Appl. Phys. Lett. | volume = 67 | pages = 1818 | year = 1995}}.
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*generation second, third lasers harmonics on the [[alexandrite]], [[Ti-sapphire laser|Ti:sapphire laser]]
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*{{citation | first1 = Y. | last1 = Mori | first2 = Y. K. | last2 = Yap | first3 = M. | last3 = Inagaki | first4 = S. | last4 = Nakajima | first5 = A. | last5 = Taguchi | first6 = W. L. | last6 = Zhou | first7 = T. | last7 = Sasaki | title = Advanced Solid-State Lasers | series = Topics in Optics and Photonics 1 | publisher = Optical Society of America | location = Washington, D.C. | year = 1996 | page = 341 | isbn = 1557521794}}.
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{{reflist}}
  
 
==Further reading==
 
==Further reading==
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*{{citation | first1 = D. | last1 = Gerstenberger | first2 = T. | last2 = Trautmann | first3 = M. | last3 = Bowers | title = Noncritically phase-matched second-harmonic generation in cesium lithium borate | url = http://www.opticsinfobase.org/abstract.cfm?URI=ol-28-14-1242 | journal = Opt. Lett. | volume = 28 | pages = 1242–44 | year = 2003}}.
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*{{citation | inventor1-last = Sasaki | inventor1-first = Takatomo | inventor2-last = Mori | inventor2-first = Yusuke | assignee = Japan Science and Technology Corporation | title = Cesium-lithium borate crystal | country-code = US | patent-number = 5998313 | year = 1999}}.
  
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*[http://www.opticsinfobase.org/abstract.cfm?URI=ol-28-14-1242 D. Gerstenberger, T. Trautmann, and M. Bowers, "Noncritically phase-matched second-harmonic generation in cesium lithium borate ," Opt. Lett. '''28''', 1242-1244 (2003)]
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==External links==
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*[http://www.mt-berlin.com/frames_cryst/descriptions/clbo.htm Non-linear Crystal Cesium Lithium Borate (CsLiB<sub>6</sub>O<sub>10</sub> or CLBO)] from MolTech GmbH
  
 
[[Category:Caesium compounds]]
 
[[Category:Caesium compounds]]

Latest revision as of 10:01, 25 August 2009

Caesium lithium borate
IUPAC name caesium oxide—lithium oxide—boron oxide (1/1/6)
Properties
Chemical formula CsLiB6O10
Molar mass 364.71 g/mol
Structure
Crystal structure tetragonal, point group 4m2
Lattice constant a = 1049.4 pm, c = 893.9 pm
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

CsLiB6O10 (Caesium lithium borate, CLBO) is a non-linear crystal for ultraviolet applications and generates the 4th and 5th harmonics of the Nd:YAG fundamental laser wavelength (1064 nm).

Nonlinear optical properties

Harmonics wavelength
(nm) 		Phase-matching angle
(°) 		Calculated deff
(pm/V) 		Walk-off angle
(°) 		Angular bandwidth
(mrad·cm) 		Spectral bandwidth
(nm·cm) 		Temperature bandwidth
(°C·cm)
266 61.6 0.84 1.83 0.49 0.13 8.3
213 67.3 0.87 1.69 0.42 0.16 5.1

References

  • Mori, Y.; Kuroda, I.; Nakajima, S.; Sasaki, T.; Nakai, S. Appl. Phys. Lett. 1995, 67, 1818.
  • Mori, Y.; Yap, Y. K.; Inagaki, M.; Nakajima, S.; Taguchi, A.; Zhou, W. L.; Sasaki, T. Advanced Solid-State Lasers; Topics in Optics and Photonics 1; Optical Society of America: Washington, D.C., 1996; p 341. ISBN 1557521794.

Further reading

External links

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