SureLock™ 780.25nm Wavelength Stabilized Laser Diode

Ondax’s 780.25nm Wavelength Stabilized Laser Diode is a single mode, single frequency laser packaged 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.

TO Series Wavelength Stabilized TO Can Lasers


  • Single frequency performance
  • Narrow linewidth <50 MHz
  • Wavelength stability <0.015nm/°C
  • Coherence length >2m
  • Compact, hermetically sealed TO footprint
  • Narrow-band ASE filters available


  • Raman Spectroscopy
  • Metrology
  • Sensing
  • Bio-instrumentation
  • Analytical Instrumentation
  • Speckle Interferometry
Table 1: SureLock™ Specifications
Parameter Symbol Min Typ Max Unit
Output Power Po 80 mW
Center Wavelength1 LP 780.01 780.25 780.41 nm
Linewidth Δλ 50 100 MHz
Central Stabilized Temperature Tc 15 35 °C
Stabilized Temperature Range Tr 15 °C

1Please specify wavelength at time of order

Table 2: SureLock™ Operating Specifications
Parameter Symbol Min Typ Max Unit
Threshold Current Ith 50 mA
Operating Current Iop 110 200 mA
Operating Voltage Vop 1.3 2.2 V
Laser Reverse Voltage Vrl 2 V
Beam Divergence, Perpendicular Qv 25 Degrees
Beam Divergence, Parallel Qh 10 Degrees
Emitter Size 1.5 x 3 µm
Differential Efficiency DE (dP/dI) 0.9 mW/mA
Operating Temperature2 Top 0 40 °C
Storage Temperature2 Ts -20 70 °C
Polarization Orientation TE

All specifications are at rated power with a case temperature of 25°C unless otherwise noted

Technical Data