Crystal Rods
Pure Crystal Rods By VF
As experts in growing very high-quality crystals for lasers and nonlinear optical crystals and producing high-purity crystal rods in various concentrations, we offer diverse crystal rods designed to meet different application needs and integration requirements. Our crystal rods provide exceptional energy output, ensuring performance and reliability across aesthetic laser industries. We produce Alexandrite (755nm), Nd-YAG (1064nm), Ruby (694nm), and Er-YAG (2940nm).
Compatible with leading laser platforms
Brand names and logos are trademarks of their respective owners and are shown to indicate compatibility.
product features
Product Features
High Efficiency Gain
This crystal rod provides superior laser amplification by efficiently converting pump energy into coherent light, enhancing overall laser performance with low voltages and maximum output. Our crystal rod specification ranges can cover all brands of laser devices, such as Candela, Cynosure, Quanta System, Deka, Lumenis, and Lutronic.
Optical Purity and Uniformity
Manufactured from high-quality crystalline raw materials, we ensure consistent beam quality and minimal optical losses for precise applications.
Thermal Robustness and Durability
Engineered to manage heat effectively and withstand high power conditions, ensuring stable operation and extended service life.
products
Featured Products
Alexandrite rods (755 nm)
Alexandrite laser rods with a 710–800 nm tuning range, in lengths from 3 mm to 152.4 mm and diameters from 2 mm to 12.7 mm.
Nd:YAG rods (1064 nm)
High-purity Nd:YAG crystal rods for efficient conversion of pump energy into coherent light.
Ruby (694 nm) & Er:YAG (2940 nm) rods
Ruby and Er:YAG crystal rods in various concentrations to meet different application and integration needs.
Alexandrite rod specifications
Alexandrite Rods 710 nm – 800 nm
Solid-state laser material with a thermal shock resistance five times that of Nd:YAG.
- 710–800 nmWavelength tuning range
- 3–152.4 mmRod lengths
- 2–12.7 mmRod diameters
- 5×Thermal shock resistance of Nd:YAG
01Structural & Mechanical Properties
- Formula
- Be (Al1-xCrx)2O4
- Crystal Structure
- Orthorhombic
- Unit Cell Dimensionscontains four formula units
- a = 5.476 Å per ASTM 10-32
b = 9.404 Å
c = 4.427 Å - X-Ray Density
- 3.7 g/cm³
- Melting Point
- 1870°C
- Thermal Expansion
- ||a = 5.9 × 10-6 K-1
||b = 6.1 × 10-6 K-1
||c = 6.7 × 10-6 K-1 - Thermal Conductivity
- 0.23 W/cm·K
- Hardness (Vickers)
- 2000 kg/mm²
- Young’s Modulus
- 469 GPa
- Fracture Stress
- 0.457 – 0.948 GPa
- Thermal Shock Resistance
- 35 – 74 W/cm
02General Specifications
- Diameter Tolerance
- +0.000″ / -0.002″
- Chamfer
- 0.005″ ± 0.003″ @ 45°
- Barrel Finish
- 55 ± 5 pinches
- Perpendicularity
- within 5 arc minutes
- Parallelism
- 30 arc-seconds or less
- Rod End Face Flatness
- within λ / 10 wave at 632 nm wavelength
- Surface Quality
- 10 - 5 scratch-dig per MIL-O-13830 A
- Wave Front Distortion
- less than 1/2 wave per inch of length
(measured at 1 micron) - Rod End Coatings
- Single-layer MgF2
Single wavelength and broad band
anti-reflection coatings available - Cr Concentrations
- standard range: 0.10 - 0.17 at %
special order: < 0.10 or 0.17 - 0.20 at %
optimum chrome concentration: 0.83 / d at %
(d is laser rod diameter in mm)
03Optical Properties
- Chrome Concentration Range
- 0.01 – 0.2 at %
- Chrome - ion Density (0.1 at %)
- 3.51 × 1019 cm-3
- Refractive Indices (750 nm)Biaxial, Positive
- E ||a = 1.7367
E ||b = 1.7421
E ||c = 1.7346 - Refractive Index Temperature Variation
- 8 × 10-6 K-1
- Dopant Site Symmetry
- 78% mirror (laser active)
22% inversion - Non-linear Refractive Index, n2
- ~ 10-13 esu
- Findlay-Clay Insertion Loss
- < 0.3% cm-1
04Alexandrite Absorption Coefficient
why choose us
Why Choose Us
01
Experts in growing very high-quality laser and nonlinear optical crystals.
02
Alexandrite, Nd:YAG, Ruby and Er:YAG rods in various concentrations.
03
Specification ranges covering Candela, Cynosure, Quanta System, DEKA, Lumenis and Lutronic devices.
04
Engineered for thermal robustness, stable operation and extended service life.
faq
Frequently asked questions
Quick answers about our laser components, custom solutions and ordering. Can’t find what you need? Our engineers are happy to help.
Which laser crystal rods do you produce?
We produce Alexandrite (755 nm), Nd:YAG (1064 nm), Ruby (694 nm) and Er:YAG (2940 nm) crystal rods in various concentrations.
Can I order crystal rods in bulk?
Yes. We supply crystal rods to biomedical engineers, service companies, clinic owners and distributors, including bulk orders. Send your part reference, device model and quantity, and our team will prepare a quotation.
Are your crystal rods compatible with my laser device?
Our crystal rod specification ranges cover all brands of laser devices, such as Candela, Cynosure, Quanta System, DEKA, Lumenis and Lutronic.
What sizes of Alexandrite rods are available?
Alexandrite rods are available in lengths from 3 mm to 152.4 mm and diameters from 2 mm to 12.7 mm, with a 710–800 nm tuning range.
Which end coatings can you apply?
Single-layer MgF₂ end coatings as standard, with single-wavelength and broadband anti-reflection coatings available.
What chromium concentrations do you offer for Alexandrite?
The standard range is 0.10–0.17 at %, with special orders below 0.10 or between 0.17 and 0.20 at %.
get in touch
We value personal interactions & are always happy to connect with you
Stay updated on the upcoming conferences, exhibitions, and trade shows where you can explore our latest high-power laser components in person.
Call Center
Our Location
Main Office – United KingdomSuite Unit 1A, Oaklands Farm Estate, Goatsmoor Lane, Stock, Essex CM4 9RH, United KingdomBranch Office – Dubai, UAEP.O. Box 3430, Dubai, United Arab Emirates
Social network
Talk to Our Experts
Our engineers are here to assist you with their technical expertise on selecting the right components. Whether you need advice on standard components or need a custom-made solution, our team is ready to help. Get in touch with us!