sacher lasertechnik group - micron s1 20150704docs.sacher-laser.com/micron-s1.pdfsacher lasertechnik...

Sacher Lasertechnik

Next Generation Micron Laser

Simon RauchDr. J. Sacher

(confidential technical documentation)

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Littrow Laser Products

Application Optical Cooling & Trapping Raman Spectroscopy Holography

Award Winning Product CLEO Conference 2000

Cavity Layout

Product Photo


Next Generation Littrow Cavity

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Littrow Laser Products – Industrial Grade

Compact Package Excellent Stability No Moving Parts No Mechanic Cavity

Resonances Narrow Linewidth Low Temperature

Drift


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High Power Model @ 780nm PI Curve

Efficiency 1mW/mA

Wavelength Tuning

Tuning Factor 1pm / mA

0 100 200 300 400 500 6000

50

100

150

200

250

300

350

400

Pow

er (

mW

)

Injection Current (mA)


200 220 240 260 280 300780,020

780,022

780,024

780,026

780,028

780,030

780,032

780,034

780,036

780,038

780,040

Wav

elen

gth

/ nm

Injection Current / mA

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High Power Model @ 780nm Spectrum


760 770 780 790 800

-80

-70

-60

-50

-40

-30

-20

-10re

l. In

tens

ity [d

B]

Wavelength [nm]

52dB

Side mode suppression ratio

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Rubidium D2 Large Scan

Several Absoption Lines

Narrow Scan

Hyperfine Structure


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Linewidth Beat Experiment

Linewidth << 100kHz< 15kHz (typ.)


395 400 405 410

40

60

80

100

120

140

160

180

200

220

Inte

nsity

/ dB

Frequency / MHz

VBG Pilot rauscharm

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Tuning Mechanism (a) Initial Status (b) Laser Current Change

Mode position change

(b) Wavelength Tuning Mode position changes

relative to Grating

(c) Defined Mode-Hop As soon as one mode

leaves the reflectionband of the Grating, an other mode shifts in

200 220 240 260 280 300780,016

780,018

780,020

780,022

780,024

780,026

780,028

780,030

780,032

780,034

780,036

Wav

elen

gth

/ nm


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Performance Data @ 760nm PI Curve

Efficiency 1mW/mA

Wavelength Tuning

Tuning Factor 0,625pm / mA


0 50 100 150 200 2500

20

40

60

80

100

Pow

er (

mW

)

Current (mA)

22°C

120 180 240760,08

760,10

760,12

760,14

Wav

elen

gth

(nm

)

Current (mA)

22°C

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High Power Model @ 780nm PI Curve

Efficiency 1mW/mA

Wavelength Tuning


0 100 200 300 400 500 6000

50

100

150

200

250

300

350

400

Pow

er (

mW

)



200 220 240 260 280 300780,020

780,022

780,024

780,026

780,028

780,030

780,032

780,034

780,036

780,038

780,040

Wav

elen

gth

/ nm


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Efficiency 1mW/mA

0 20 40 60 80 100 120 140 160 1800

20

40

60

80

100

120

Pow

er (

mW

)


Wavelength Tuning

Tuning Factor 0,625pm / mA

30 40 50 60 70 80 90 100 110 120785,105

785,110

785,115

785,120

785,125

785,130

785,135

785,140

785,145

Wav

elen

gth

(nm

)



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Efficiency 0.8mW/mA

Wavelength Tuning



0 20 40 60 80 100 120 140 160 1800

20

40

60

80

100

Pow

er /

mW

Injection Current / mW

8°C

60 80 100 120 140 160 180

794,965

794,970

794,975

794,980

794,985

794,990

794,995

Wav

elen

gth

(Vac

uum

) / n

m


8°C

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Efficiency 0.8mW/mA

Wavelength Tuning



0 20 40 60 80 100 120 140 160 1800

5

10

15

20

25

30

35

40

Pow

er /

mW


50 100 150

829,86

829,88

829,90

Wav

elen

gth

/ nm


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Efficiency 1mW/mA

Wavelength Tuning

Tuning Factor 0.5pm / mA


0 20 40 60 80 100 120 140 160 180 2000

20

40

60

80

100

120

140

Pow

er /

mW


11,2°C, mit Kappe + Fenster

60 80 100 120 140 160 180 200

852.10

852.12

852.14

Wav

elen

gth

(Air)

/ nm


11,2°C, mit Kappe + Fenster

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Efficiency 0.6mW/mA

Wavelength Tuning



0 10 20 30 40 50 60 70 80 90 100 1100

10

20

30

40

Pow

er /

mW


90 100 110 120 130 140 150 160894,56

894,57

894,58

894,59

894,60

894,61

Wav

elen

gth

(Vac

uum

) / n

m


16°C

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Calcium Ion Cooling Schematic 375nm Continuum

393nm 397nm

850nm 854nm 866nm

Available upon request


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Strontium Cooling Schematic 460.9nm

689.5nm 7.8kHz 698nm

679.2nm 688nm 707.2nm

Available upon request


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Relative Intensity Noise (RIN) Low, nearly constant RIN of

-136 dB/Hz above 1 kHz

No Microphonic CavityResonances

RIN is reduced for higherOperation Current Values

Laser Driver

Diode Laser

Detector

Oszi

Amplifier

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Low Noise Laser Controllers

Micro Controller Operated Laser Controllers

Sub µA Noise Figure Up to 4000mA Laser

Current Integrated Function

Generator Integrated Piezo

Amplifier Fully Remote Control

Features USB, GPIB, RS232 Laboratory and

OEM Versions


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Technology: Micro-Controller & FPGA

Low Noise Laser Controllers

Laser Diode Current Sub µA Noise Figure 10 ResistorΩ

DC Current

Electrical Spectrum AnalyzerLaser Controller

102 103 104 105

1E-12

1E-11

1E-10

1E-9

1E-8

Pilot PZ 500 Noise Spectrum

Frequency [Hz]

100mA 200mA 500mA

Cur

rent

Noi

se [A

/ H

z]


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Servo Controller

High Frequency PI Regulator 10MHz Bandwidth Adjustable Corner

Frequencies Integration Hold Function Low Frequency Gain Limit FPGA Controlled Operation Fully Remote Control

via USB

Application: Laser Stabilization Optical Cooling & Trapping

Principles of Operation

Product Photo


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Modulator & Demodulator

High Frequency Synthesizer Central 3GHz Clock 2 DDS Syntesizer 100kHz to100MHz Modulation ns Phase Adjustment High Frequency Mixer High Modulation Amplitude Fully Remote Control

via USB

Application: Laser Stabilization Pound Drever Hall Lock Optical Cooling & Trapping

Principles of Operation

Product Photo


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Application: Optical Cooling & Trapping

Laser Frequency Stabilization Frequency Tolerance <1MHz 24/7 Operation Requirement Locking to Rubidium Transition Locking to Cesium Transion Side of Fringe & Top of Line Lock

Fully Remote Control Operation Internal Operation Control via FPGA Remote Control via USB

ECDLISO PBSλ/2BS

Rb

M

MBS

Wavemeter D1 D2Lockcircuit


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Corporate Headquarter

Sacher Lasertechnik Headquarter

Space 1200m²12900 square ft.

30 employees at location


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Product Family Overview

Laser Controller Laser Controller Laser Controller

AR Coated Laser Diodes

MOPA Laser System MOPA Laser System

Littrow Laser System Littman Laser System Laser Amplifier System

DFB Laser Diodes

THz Laser System

DFB Laser Diodes

SHG Laser System

ns Pulsed Laser System

ps Mode Locked Laser

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Technology: Thin Film Coating Equipment

Thin Film Coating Equipment

Sputter Coater High Volume

Production R&D Coatings

E-Beam Coater R&D Coatings


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Technology: Diode Laser Chip Handling

Dye Bonder Laser Chip Mounting

Wire Bonder Laser Chip Electrical Connection


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Technology: Electro Optic Micro-Assembly

Multi-Emitter Fiber Coupling

Up to 12 Single Mode Emitters Fiber Coupled

Multi-Wavelength Emitter Fiber Coupled


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Thank You For Your Attention!

Sacher Lasertechnik GmbHRudolf-Breitscheid-Str. 1-535037 MarburgGermany

Sacher Lasertechnik LLC.5765 Equador WayBuena Park, CA 90620United States

http://www.sacher-laser.com© 2009 Sacher Lasertechnik GmbH. All rights reserved.

sacher lasertechnik group - micron s1 20150704docs.sacher-laser.com/micron-s1.pdfsacher lasertechnik...

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