KD*P电光开关

分类：电光开关

产品描述

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)	＜6pF
QD15H	Φ15mm	Φ30×44mm	>2000:1 (CP) >1500:1 (PP)	＜8pF
QD19H	Φ19mm	Φ33×48mm	>1500:1 (CP) >1000:1 (PP)	＜12pF

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:	>1 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