These synthetic ruby laser rods are manufactured from single-crystal chromium-doped aluminum oxide (Cr:Al₂O₃) grown by the Verneuil (Flame Fusion) process. This crystal growth method has been extensively used for ruby laser materials and provides reproducible crystal quality, stable optical characteristics, and reliable laser performance.
The rods are designed for use as the active gain medium in pulsed ruby laser systems operating at 694.3 nm. Controlled chromium concentration and uniform crystal structure enable consistent fluorescence behavior and predictable laser output. Due to chromium doping and crystal growth stress characteristics, ruby crystals generally exhibit size limitations compared with undoped sapphire; nevertheless, rod lengths up to 200 mm can be supplied depending on diameter and specification.
Each laser rod is precision fabricated with optical-grade polishing and tight geometric control of the end faces. Custom dimensions, tolerances, and surface finishes can be provided in accordance with customer drawings or application requirements.

Single-Crystal Synthetic Ruby
Cr:Al₂O₃ grown by the Verneuil (Flame Fusion) method
Controlled Dopant Distribution
Chromium concentration optimized for stable ruby laser operation
Consistent Optical Performance
High transparency and uniform fluorescence along the rod length
694.3 nm Laser Emission
Suitable for pulsed ruby laser systems (R₁ transition)
Mechanical Durability
Mohs hardness 9 with excellent wear resistance
Precision Optical Machining
Laser-grade flatness, parallelism, and perpendicularity of end faces
Customizable Geometry
Diameter, length, crystal orientation, and surface finish available
| Parametre | Typical Value | Remarks |
|---|---|---|
| Malzeme | Synthetic Ruby (Cr:Al₂O₃) | Single crystal |
| Büyüme Yöntemi | Verneuil (Flame Fusion) | Mature industrial process |
| Dopant Level | 0.03% – 0.05% Cr₂O₃ | By weight |
| Crystal System | Trigonal (α-Al₂O₃) | R3c |
| Laser Wavelength | 694.3 nm | R₁ line |
| Rod Diameter | 2 – 50 mm | Typical range |
| Rod Length | Up to 200 mm | Diameter dependent |
| Color | Pink to deep red | Cr concentration dependent |
| Yoğunluk | 3,98 g/cm³ | — |
| Sertlik | Mohs 9 | High abrasion resistance |
| Kırılma İndisi | ~1.763 @ 694 nm | Ordinary ray |
| Fluorescence Lifetime | ~3 ms | At room temperature |
| End Face Flatness | ≤ λ/4 | Optical grade |
| End Face Parallelism | ≤ 10 arc sec | Laser-grade |
| Surface Finish | Fine polished / Optical polished | Optional |
| Max Recommended Temp | ≤ 200 °C | Avoid thermal shock |
Pulsed Ruby Laser Systems
Active gain medium for solid-state lasers
Holography and Optical Experiments
Coherent red light generation
Medical Laser Devices
Dermatology and pigmented lesion treatment
Scientific and Laboratory Research
Laser physics and laser–material interaction studies
Rangefinding and LIDAR Systems
High-energy pulsed laser sources
Precision Ruby Components
Watch bearings, wear-resistant parts, and waterjet nozzle orifices derived from the same material
Q1: What growth method is used for these ruby laser rods?
A: The rods are produced using the Verneuil (Flame Fusion) method, which is a well-established process for manufacturing laser-grade synthetic ruby.
Q2: What is the maximum available rod length?
A: Rod lengths of up to 200 mm are available, subject to diameter and application requirements.
Q3: Is the chromium concentration adjustable?
A: Standard chromium concentration is 0.03%–0.05% Cr₂O₃ by weight. Other concentrations may be discussed for specific applications.
Q4: Are custom machining and optical tolerances supported?
A: Yes. Custom dimensions, surface finishes, and optical tolerances can be supplied according to customer drawings or specifications.
Q5: How should ruby laser rods be handled and stored?
A: Ruby rods should be stored in a clean, dry, light-protected environment and handled carefully to avoid mechanical shock and rapid thermal changes.
Store in clean, dry, and protective packaging
Clean with methanol or other non-abrasive solvents
Avoid excessive clamping force during mounting
Minimize rapid temperature changes during operation