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TO-Can

Single-Spatial-Mode/TEM00 and Single-Frequency Output

The 4 pin, TO 56-can (5.6 mm) is only available for open beam laser delivery. The TO-can is compact, often with an outer diameter less than 10mm, and has beam delivery perpendicular to the base of the package making it extremely desirable to surface mounting applications.

Comes standard with a circularized and collimated output beam, internal thermistor, laser line filter, and ESD protection. Must be compression mounted in a Thermo-Electric Cooler (TEC) and heat sink to guarantee wavelength stable performance. We can offer the TO-56 mounted with TEC and heat sink in our A-type gimbal (-GUTS option).

Choose a λ (nm)
Choose a Min. Power (mW)

Key Features

The TO-56 packaged product line comes standard with a circularized and collimated output beam, internal thermistor and ESD protection. Lasing wavelength can be accurately specified and repeatedly manufactured to within +/-0.1 nm upon request.

  • High-Power Single-Spatial-Mode, Single-Frequency Output
  • Ultra-Narrow Spectral Linewidth (~100 kHz)
  • Stabilized Output Spectrum (< 0.007 nm/°C)
  • Gaussian TEM00 Spatial Mode
  • Circularized and Collimated Output Beam
  • Integral ESD Protection & Thermistor
  • Integral Laser Line Filter
  • SMSR 70 dB w/ laser line filter (40 dB without)
  • Circularized and Collimated Output Beam
  • Integral ESD Protection & Thermistor
  • Integral Laser Line Filter
  • SMSR 70 dB w/ laser line filter (40 dB without)

Custom Capabilities

  • Custom wavelengths available upon request 
  • GUTS package allows 2 axis alignment in pitch and yaw. 

Specifications

Wavelength Tolerance

+/- 0.5 nm

Spectral Linewidth (Δλ)

~100kHz Instantaneous

Wavelength Stability Range

15 °C – 45 °C

SMSR

35 – 45 dB

SMSR w/ integral laser line filter

70 dB

Power Stability

1% typical

Beam Exit Angle

< 3 degrees

Beam Quality (M2/1/e2)

< 1.2

Beam Ellipticity

< 1:5:1

PER

>17 dB

Polarization Orientation

Parallel to V-notches

Beam Divergence
(Typical)

~ 2 mrad
~ 4 mrad for 785nm

Spatial Profile

TEM00

Applications

This laser package is designed for OEM Integration and is ideal for: 

  • High Resolution Raman Spectroscopy 
    • Handheld Raman Spectroscopy 
    • Confocal Microscopy 
    • Raman Imaging 
    • Portable Raman 
    • Process Raman 
  • Metrology & Interferometry 
  • Remote Sensing 
  • Laser speckle contrast imaging
  • Laser illumination