785 nm Laser (Direct Diode; PM Fiber)
Select Fiber Termination:
Item Code:
0785L-15A-NI-PT-NF
Product status:
Full production
Product specifications are stable. Delivery time is predictable.
Availability:
Description
785 nm diode laser is fiber coupled to a single-mode polarization-maintaining fiber. It can provide up to 130 mW optical power and has a polarization contrast of no less than 20 dB. Metal fiber jacket makes this laser really robust and reliable in every application.
By default, this type of laser is built with FC/PC connector, but other
fiber terminations are available upon request. Details about
non-standard connector and the fiber used with it should be discussed
with the Integrated Optics sales team.
Note:
In
optical systems with strong back-reflections (e.g. more than 10%), the
laser must be protected by using an optical isolator with at least 20 dB
isolation. Typical applications include interferometry, confocal
microscopy (especially working with reflective samples), etc. Failure to
comply with these requirements will render the warranty void for cases
of COD (Catastrophic Optical Damage) of laser diode facets.
Fiber Termination - FC/PC (PT):
FC/PC has good insertion repeatability, therefore is often used in single-mode fiber applications. Features a key for polarization-maintaining fiber installations.
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Specifications
Last edited on:  25 April 2022
Parameter | Minimum Value | Typical Value | Maximum Value |
---|---|---|---|
 Central Wavelength, nm | 782 | 785 | 788 |
 Longitudinal modes | - | Multiple | - |
 Spectral line width FWHM, nm | 0.02 | 0.5 | 2 |
 Output power, mW | - | 120 1 | - |
 Power stability, % (RMS, 8 hrs) | 0.01 | 0.05 2 | 0.3 |
 Power stability, % (peak-to-peak, 8 hrs) | 0.1 | 0.3 3 | 1 |
 Intensity noise, % (RMS, 20 Hz to 20 MHz) | 0.05 | 0.25 4 | 0.6 |
 Transversal modes | - | TEM00 | - |
 M2 effective | - | 1.05 | 1.1 |
 Polarization direction | - | Aligned within the slow axis of the PM fiber and the key position. | - |
 Polarization extinction ratio (from PM fiber), dB | 20 | 27 | 40 |
 Control interface type | - | UART 5 | - |
 Operation mode | - | APC (CW) | - |
 Modulation bandwidth, MHz | - | 10 6 | - |
 Input voltage, VDC | 4.8 | 5 | 5.3 |
 External power supply requirement | - | +5 V DC, 1.5 A | - |
 Dimensions, mm | - | 50 x 30 x 18 7 | - |
 Fiber Length, m | 0.95 | 1 | 1.1 |
 Heat-sinking requirement, °C/W | - | 1 | - |
 Optimum heatsink temperature, °C | 15 | 20 | 30 |
 Warm up time, mins (cold start) | 0.1 | 0.5 | 1 |
 Temperature stabilization | - | Internal TEC | - |
 External fan control | - | No 8 | - |
 Overheat protection | - | Yes | - |
 Storage temperature, °C (non-condensing) | -10 | - | 50 |
 Net weight, kg | 0.1 | 0.12 | 0.14 |
 Max. power consumption, W | 0.4 | 2 | 10 |
 Warranty, months (op. hrs) | - | 14 (10000) 9 | - |
 RoHS | - | Yes | - |
 CE compliance | - | - General Product Safety Directive (GPSD) 2001/95/EC - (EMC) Directive 2004/108/EC |
- |
 Laser Safety Class | - | 3B | - |
 OEM lasers are not compliant with | - | IEC60825-1:2014 (compliant using additional accessories) | - |
 Country of origin | - | Lithuania | - |
Note: Product specifications are subject to change without prior notice to improve reliability, function or design or otherwise.
Typical spectrum

Typical Near Field

Drawing
