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DKDP Pockels Cell

KD*P (Potassium Dideuterium Phosphate) is the most widely used material for electro-optical applications due to its excellent E-O properties. An electro-optic material such as KD*P can alter the polarization state of light passing through it, when an applied voltage induces birefringence change in the crystal.
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Product description
KD*P (Potassium Dideuterium Phosphate) is the most widely used material for electro-optical applications due to its excellent E-O properties.  An electro-optic material such as KD*P can alter the polarization state of light passing through it, when an applied voltage induces birefringence change in the crystal.  When used in conjunction with polarizers, the KD*P pockels cell can function as optical Q-switch to generate laser pulses.  KD*P is used for applications from UV up to around 1.1 µm where absorption limits its use in active cavities, although it can be useful at longer wavelengths when a few percent of absorption can be tolerated.
APPLICATION:
Industrial laser system
Medical Laser system
Aesthetic Laser system
Military Laser system
ADVANTAGE:
High Extinction Ratio
Low Insertion Loss
High damage threshold
Wide working temperature range
Low capacitance
Low current Leakage
 
Voltage Extinction Ratio >2000:1(CP) >1500:1(PP) Collimation <0.5°
Insertion Loss <2% Wavefront distortion λ/6@633nm
Quarter-wave voltage ~3400V Scratch/Dig 20/10
Capacitance 6-10pF Clear Aperture ≥90%
Coatings AR@1064nm(R<0.2%), or customised upon request
Damage threshold 1GW/cm² 10ns 10Hz at 1064nm


CP: Cross Polarizers  PP: Parallel Polarizers

Standard Products     Operation wavelength: 1064nm
P/N Clear Aperture Size(mm) Voltage Extinction Ratio Capacitance
QD08H Φ8mm Φ19×28mm >2000:1  (CP) >1500:1  (PP) <6pF
QD10H Φ10mm Φ25.4×39mm >2000:1  (CP) >1500:1  (PP) <6pF
QD12H Φ12mm Φ25.4×44mm >2000:1  (CP) >1500:1  (PP) <8pF
QD15H Φ15mm Φ30×44mm >2000:1  (CP) >1500:1  (PP) <9pF

CP: Cross Polarizers  PP: Parallel Polarizers

Chemical Formula KD2PO4
Transparency Range 200-1600nm
Nonlinear Coefficients d36=0.40pm/V
Refractive index (at 1064nm) No=1.4948, ne=1.4554
Electro-optical Coefficients r41=8.8pm/V
r63=25pm/V
Longitudinal half-wave voltage: Vπ=2.98KV(λ=546nm)
Absorptance: 0.006/cm
Optical damage threshold: >3 GW/cm2
Extinction ratio: >30dB
Sellmeier equations of KD*P:(λ in um)
no2=1.9575544+0.2901391λ2/(λ2-0.0281399)-0.02824391λ2+0.004977826λ2
ne2=1.5005779+0.6276034λ2/(λ2-0.0131558)-0.01054063λ2+0.002243821λ2

 

Corresponding parameter set not found, please add it in property template of background
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暂未实现,敬请期待