759/813nm Ultra-Noise Single Frequency Laser
The product description
Erbium group offers a high-power, low intensity noise, narrow linewidth highly reliable 759/813nm fiber laser solution (FL-SF-759-2-CW, FL-SF- 813-4-CW) for the magic-wavelength optical for Yb/Sr atomic clock.
● Narrow Linewidth<20 kHz
● Low intensity Noise (RIN -140 dBc/Hz @ 100 kHz)
● High output power (2W@759nm 4W@ 813nm）
● Excellent beam quality (M2 <1.1)
● Wavelength Tunable and high feedback bandwidth
Typical 4 W 813nm laser RIN spectrum
Technical indicators
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Model |
FL-SF-759-XX-CW FL-SF-813-XX-CW |
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Central Wavelength¹, nm |
759 |
813 |
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Linewidth(100us integration)， kHz |
<50 |
< 20 |
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Output Power，W |
>2 |
>4 |
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Feedback Bandwidth，MHz |
>1MHz |
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Tuning Range，GHz |
>80GHz |
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RIN |
RMS Integration：<0.05%（10Hz-10 MHz） |
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Beam Quality |
TEMₒₒ , M² <1.1 |
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Polarization |
Linearly Polarized , > 300: 1 |
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|
RMS Power Stability |
<0.2%@8h |
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Cooling |
Air Cooling/Water Cooling |
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1:Wavelength could be selected from 614-1000nm |
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Structure size
Erbium group offers a high-power (up to 15 W), low intensity noise, narrow linewidth highly-reliable 1550 nm fiber laser solution for the coherent detecting, precision measurement physics application.
Typical 10 W 1550nm laser RIN spectrum
Key Features
● Low Intensity Noise (-140 dBc/Hz @100 kHz)
● Narrow Linewidth(<2 kHz)
● Good Beam quality (M² <1.1)
● High Power (up to 15 W)
● Operation in harsh conditions
● Full Protection System
Applications
● Precision Measurement
● Coherent Detecting
● Fundamental Light for Atom Cooling
Technical indicators
|
Model |
LN-EFA-1550-12 |
|
Central Wavelength¹, nm |
1550 |
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Linewidth, kHz (250us) |
< 10 |
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Tuning Range, GHz |
>10 |
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Output Power, W |
>15 |
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RIN |
RIN: < -140 dBc/Hz (100 kHz) RMS Integration: <0.05% (10Hz-10 MHz) |
|
Beam Quality |
TEMₒₒ , M² <1.2 |
|
Polarization |
Linearly Polarization , > 100: 1 |
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RMS Power Stability |
<0.5 %@2hrs |
|
Cooling |
Air Cooling/Water Cooling |
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1: Central Wavelength could be selected from1530-1580 nm |
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In order to satisfy the Rb atomic interferometer and other applications, Erbium group have developed 780 nm laser with the maximum power of 10 W by utilizing the frequency doubling technology for Rb atom cooling / detection, magic wavelength optical lattice and so on. Due to its excellent environmental adaptability such as portability, low drift and anti-vibration, LN-EFA-SHG-780 nm has been used in the field experiment of Rb atomic interferometer and has completed the several months’ operation for the frequency stabilization of saturated absorption spectrum.
Typical 6 W 770nm laser RIN spectrum
Key Features
● Narrow Linewidth <200 Hz
● Low RIN (RIN <-130 dBc/Hz @ 100 kHz)
● High Output Power (10 W)
● Good Beam Quality (M² <1.1)
● Tunable Wavelength
● Active Power Stability
Applications
● Rb atom cooling
● Optical Lattice
● Rb atom interferometry
Technical indicators
|
Model |
LN-EFA-D-780-5 |
LN-EFA-D-780-2.5 |
|
|
Central Wavelength¹, nm |
780 |
780 |
|
|
Linewidth , kHz |
< 20 |
< 20 |
|
|
Tuning Range, GHz |
20 |
20 |
|
|
Output Power |
>7 |
>2.5 |
|
|
RIN |
RMS Integration: <0.05% (10Hz-10 MHz) |
RMS Integration: <0.05% (10Hz-10 MHz |
|
|
Beam Quality |
TEMₒₒ , M² <1.1 |
TEMₒₒ , M² <1.1 |
|
|
Polarization |
Linearly Polarized , > 100: 1 |
Linearly Polarized , > 100: 1 |
|
|
RMS Power Stability |
<0.5 %@3hrs |
<0.5 %@3hrs |
|
|
Cooling |
Air Cooling/Water Cooling |
Air Cooling/Water Cooling |
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1: Central Wavelength could be selected from 765-790 nm |
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