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  Periodically Poled Lithium Niobate (PPLN)  
     
     
 
Periodically Poled Magnesium doped Lithium Niobate (PPLN) is an efficient non linear optical material for frequency conversion applications in the visible and mid IR wavelength range. PPLN high nonlinear coefficient allows high conversion efficiency making it very suitable for compact low power solid state laser systems. Raicol`s Magnesium doped PPLN crystal supports high damage threshold. This property, as well as its high efficiency conversion, makes PPLN a right choice for small size cost effective laser systems such as RGB projectors and other consumer electronics applications.
 
     
     
  SLT Plates  
     
 

Periodically Poled Stoichiometric Lithium Tantalate (PPSLT) is a new promising non linear optical material suitable for frequency conversion applications over broad wavelength range from UV till mid-IR. PPSLT`s high resistance to higher power levels of pumping light, makes it the material of choice for compact solid state laser systems wherein output power of few Watts is required.

High non linear optical coefficient makes PPSLT very attractive for various applications, especially for visible light generations. Moreover, it can be extremely useful for next generation projection systems wherein cost effective, high reliable, high quality laser sources are needed.

 
     
     
  Periodically Poled KTP (PPKTP)  
     
 
Periodically Poled KTP is an entirely new type of nonlinear material. It can be tailor-made for all non-linear applications within the transparency range of KTP, without the phase matching limitations of bulk KTP. Its effective non linear coefficient is about three times larger than that of bulk KTP. Raicol offers PPKTP in large production quantities, as well as small quantities for R&D work.
 
     
     
  High Gray Track Resistance (HGTR) KTP for CW and high average power SHG  
     
 
Raicol HGTR KTP crystals have gray track resistance sufficiently greater than typical flux grown KTP. This is possible due to advances in the controlled growth of KTP crystals, using proprietary modified fluxes and heat treatment. These HGTR KTP crystals are suitable for high power density applications, where regular flux-grown KTP crystals would suffer from gray track damage.
 
     
     
  KTP Elements for SHG  
     
 
Raicol`s KTP elements are recognized in the world due to their high quality and reliability. The company’s controlled growth methods ensure a reliable supply of KTP crystals possessing very low absorption coefficient a < 5•10-5 cm-1 @ 1064 nm and a < 2•10-3 cm-1 @ 532 nm.
 
     
     
  KTP Elements for OPO  
     
 
Raicol produces high quality single domain KTP nonlinear elements cut from single growth sector. The company’s controlled growth methods ensure a reliable supply of KTP crystals.
 
     
     
  RTP Electrooptic Q-Switch  
     
 
The Q-switch is built using two RTP elements in a temperature compensating design. The unique properties of RTP, including high electrical resistively (~1011-1012W•cm) and a high damage threshold, result in a Q-switch with outstanding properties. These Q-switches have been tested at 100 kHz, with no sign of piezoelectric ringing.
 
     
     
  Advantages:  
     
 
High Damage Threshold.
 
No Piezoelectric Ringing
 
Low Insertion Loss
 
Thermal Compensating Design
 
Non-hygroscopic
 
High Extinction and Contrast Ratio
 
Spectral range 500-3000 nm
 
     
     
  BBO Elements  
     
 
BBO (Beta Barium Borate) crystals combine very wide transparency, moderately high nonlinear coupling, high damage threshold and good chemical and mechanical properties. BBO phase matches over a wide spectral range, yielding SHG from 190-1780 nm.
 
     
  Applications:  
     
 
2nd, 3rd, 4th and 5th Harmonic Generation of Nd lasers.
 
2nd, 3rd and 4th Harmonic Generation of Ti:Sapphire and Alexandrite Lasers.
 
SHG of Argon, Cu vapor and Ruby lasers.
 
OPO and OPA.
 
  
     
  LBO Elements  
     
 
LBO (Lithium Triborate) crystals combine very wide transparency, high nonlinear coupling, high damage threshold and good chemical and mechanical properties.
 
     
  Applications:

Nonlinear optical conversion of following lasers:		  
     
 
SHG of:
Nd: YAG      Alexandrite       Ti:Sapphire
Nd:YLF       Cr:LiSAF            Dye Lasers
Ultrashort
Pulses
 
Third Harmonic Generation of Nd:YAG and Nd:YLF
 
OPO and OPA
 
  
     
  Cr4+:YAG Crystal Passive Q-switch  
     
 
Cr4+:YAG is an ideal material for passive Q switching of Nd:YAG, and other Nd and Yb doped lasers, in the wavelength range of 900 nm to 1200 nm. Cr4+:YAG is also a useful lasing material, with output from 1350 nm to 1600 nm (tunable).
 
     
     
  Barium Nitrate (BN) Raman Crystals  
     
 
Barium Nitrate monocrystals are one of the best solid state materials for shifting the emission frequency of lasers to different spectral region using Stimulated Raman Scattering effect. With Raicol advanced crystal growing technique large transparent BN crystals are grown with water solution method.
 
     
     
  Custom Products  
     
 
Raicol Crystals has a vast experience in nonlinear materials and devices. If customers have requirements unlike ones of the products list or interested in different nonlinear optical and electro-optical applications can contact the company for assistance.