The SureLock™ TO Series Wavelength Stabilized TO Can Laser Diodes are single mode, single frequency lasers in an ultra-compact TO-can footprint. The extremely narrow linewidth, broad temperature operating characteristics and low power consumption deliver affordable, portable instrument-quality performance for a broad range of instrumentation applications. All SureLock™ Series lasers are stabilized using the Ondax PowerLocker® Volume Holographic Grating, ensuring precise, ultra-stable center wavelengths, low temperature dependence and consistent optical performance over the locked region.
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|---|---|
| 640 | 32 |
| 658 | 35 |
| 685 | 45 |
| 690 | 45 |
| 780.25 | 100 |
| 785 | 100 |
| 808 | 120 |
Ondax’s 638nm Wavelength Stabilized Laser Diode is a single mode, single frequency laser in an ultra-compact TO-can footprint. The extremely narrow linewidth, broad temperature operating characteristics and low power consumption deliver affordable, portable instrument-quality performance for a broad range of instrumentation applications.All SureLock™ Series lasers are stabilized using the Ondax PowerLocker® Volume Holographic Grating, ensuring precise, ultra-stable center wavelengths, low temperature dependence and consistent optical performance over the locked region.
Single frequency performance
Narrow linewidth <300MHz
Wavelength stability <0.015nm/°C
Coherence length 0.5m
Compact, hermetically sealed TO footprint
Narrow-band ASE filters available
Raman Spectroscopy
HeNe Replacement
Metrology
Sensing
Bio-instrumentation
Analytical Instrumentation
Graphic Arts
Specification Summary
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Power | Po | – | – | 32 | mW |
| Center Wavelength1 | LP | 637 | 638 | 639 | nm |
| 639 | 640 | 641 | nm | ||
| Linewidth | Δλ | – | 300 | – | MHz |
| Central Stabilized Temperature | Tc | 15 | – | 45 | °C |
| Stabilized Temperature Range | Tr | 10 | 14 | – | °C |
1Please specify wavelength at time of order
Operating Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Threshold Current | Ith | – | 45 | 60 | mA |
| Operating Current | Iop | – | 70 | 100 | mA |
| Operating Voltage | Vop | – | 2.4 | 2.6 | V |
| Laser Reverse Voltage | Vrl | – | – | 2 | V |
| Monitoring Output Current | Im | 0.07 | 0.15 | 0.2 | MA |
| Beam Divergence, Perpendicular | Qv | 16 | 21 | 24 | Degrees |
| Beam Divergence, Parallel | Qh | 7 | 10 | 13 | Degrees |
| Off Axis Angle, Perpendicular | dQv | – | – | – | Degrees |
| Off Axis Angle, Parallel | dQh | – | – | – | Degrees |
| Emitter Size | – | 1 x 2 | µm | ||
| Differential Efficiency | DE (dP/dI) | 1 | mW/mA | ||
| Operating Temperature2 | Top | -10 | – | 50 | °C |
| Storage Temperature2 | Ts | -40 | – | 80 | °C |
| Polarization | – | – | 60:1 | – | – |
| Polarization Orientation | – | – | TM | – | – |
2Non-Condensing
All specifications are at rated power with a
case temperature of 25°C unless otherwise noted
Technical Data and Drawings
Downloads