SureLock™ 640nm Wavelength Stabilized Laser Diode
Ondax’s 640nm 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.
Features
Single frequency performance
Narrow linewidth <150MHz
Wavelength stability <0.015nm/°C
Coherence length >2m
Compact, hermetically sealed TO footprint
Narrow-band ASE filters available
Applications
Raman Spectroscopy
HeNe Replacement
Metrology
Sensing
Bio-instrumentation
Analytical Instrumentation
Graphic Arts
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Power | Po | – | 32 | – | mW |
| Center Wavelength1 | LP | 639 | 640 | 641 | nm |
| Linewidth | Δλ | – | 150 | – | MHz |
| Central Stabilized Temperature | Tc | 15 | – | 40 | °C |
| Stabilized Temperature Range | Tr | 5 | 10 | – | °C |
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Threshold Current | Ith | – | 40 | 60 | mA |
| Operating Current | Iop | – | 60 | 80 | mA |
| Operating Voltage | Vop | – | 2.3 | 2.5 | V |
| Laser Reverse Voltage | Vrl | – | – | 2 | V |
| Monitoring Output Current | Im | 0.05 | 0.15 | 0.4 | MA |
| Beam Divergence, Perpendicular | Qv | 25 | 30 | 35 | Degrees |
| Beam Divergence, Parallel | Qh | 6 | 8 | 10 | Degrees |
| Off Axis Angle, Perpendicular | dQv | -2 | – | 2 | Degrees |
| Off Axis Angle, Parallel | dQh | -2 | – | 2 | Degrees |
| Emitter Size | – | 1 x 3 | µm | ||
| Differential Efficiency | DE (dP/dI) | 0.5 | mW/mA | ||
| Operating Temperature2 | Top | 0 | – | 40 | °C |
| Storage Temperature2 | Ts | -10 | – | 60 | °C |
| Polarization | – | – | 100:1 | – | – |
| Polarization Orientation | – | – | TM | – | – |
