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{"title":"DKDP Nonlinear optical crystals For Laser frequency conversion \u2014 harmonic","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/b5\/e5\/93a583edc34ce6701720188f32ee-200x200-1\/dkdp_nonlinear_optical_crystals_for_laser_frequency_conversion_e2_80_94_harmonic_generation_for_high_pulse_energy.jpg","attrs":{"Brand Name":"CRYSTRONG","Place of Origin":"Jinan,China","Minimum Order Quantity":"1-5","Price":"Negotiation"}}
Potassium Dihydrogen Phosphate (KDP) and Potassium Deuterium Phosphate (KD*P } are among the most widely-used commercial NLO materials. They are commonly used for doubling, tripling and quadrupling of Nd:YAG laser at the room temperature. In addition, they are also excellent electro-optic crystals with high electro-optic coefficients, widely used as electro-optical modulators, Q-switches, and Pockels Cells, etc.
Standard dimensions of electro-optic DKDP crystals for Q-switching are cylinders dia 920 mm and dia 1224 mm however manufacturing of custom size and rectangular shape crystals is available
Gold evaporated or silver paste electrodes are available;
Dielectric thin film AR coatings for specified laser wavelengths are available;
Typical quarter wave voltage 3.4 kV at 1064 nm;
Typical contrast ratio between crossed polarizers better than 1:2000;
Damage threshold of AR coated DKDP surface >5 J/cm2 at 1064 nm, 10 ns pulses.
FREQUENCY CONVERSION APPLICATIONS
DKDP crystals are used for second harmonic generation of high pulse energy low repetition rate (<100 Hz)
Q-switched and mode-locked Nd:YAG lasers. Cut angle of crystal Parallelism $ 20 arcsec crystal for operation at room temperature is 36.6° for type 1 phase matching and 53.7° deg for type 2 phase matching.
DKDP crystals are used for third harmonic generation. Cut angle of crystal for operation at room temperature is 59.3° for type 2 phase matching.
Type 1 DKDP crystals with non-critical cut angle θ=90° are used for fourth harmonic generation (532nm→266nm) of high pulse energy Q-switched and mode locked Nd:YAG lasers. Crystal must be heated at -50 ℃ temperature to match NCPM conditions.
ADVANTAGES
Good UV transmission
High optical damage threshold
High birefringence
High nonlinear coefficients
APPLICATIONS
Laser frequency conversion — harmonic generation for high pulse energy,
Electro-optical modulation
Q-switching crystal for Pockels cells
SPECIFICATION
Flatness
λ/8 at 633nm
Parallelism
≤20 arcsec
Surface quality
20-10 scratch & dig (MIL-PRF-13830B)
Perpendicularity
≤5 arcmin
Angle tolerance
≤± 0.25°
Dimension tolerance
±0.1mm
Aperture tolerance
±0.1mm
Clear aperture
90% of full aperture
Chamfer
≤0.2 mmx45°
Chip
≤0.1mm
Quality Warranty Period
One year under proper use
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2012
Total Annual:
3000000-5000000
Employee Number:
100~120
Ecer Certification:
Active Member
Jinan Crystrong Photoelectric Technology Co.,Ltd. is a high-technology company specialized in laser optical components with more than ten years experience in research,development, manufacturing,and sales. Crystrong is committed to becoming the professional manufacturer and supplier of nonlinear opti... Jinan Crystrong Photoelectric Technology Co.,Ltd. is a high-technology company specialized in laser optical components with more than ten years experience in research,development, manufacturing,and sales. Crystrong is committed to becoming the professional manufacturer and supplier of nonlinear opti...