DigiLock 110: Digital Laser Locking
- FPGA-based laser locking: Fast & flexible
- Fully digital and computer controlled
- Fast response, high bandwidth
- Multiple PIDs, Lock In, Pound-Drever-Hall
- Click & Lock, Auto- & ReLock, response, simulation …
TOPTICAs DigiLock 110 is the versatile solution for laser control, stabilization, characterization & analysis. Its digital nature makes it easy to use, flexible and intelligent. The FPGA based hardware allows for high bandwidth and flexibility, and with its clever software one has the overview, but can go into every tiny detail if need be.
Technical Information
Technical Information
| Functionality | Value | Unit | Comment |
|---|---|---|---|
| Scan function | |||
| Scan frequency | 0.1 - 33 x 106 | Hz | Bandwidth limited on some channels |
| Waveform types | Sine, triangle, square, sawtooth | ||
| PID function 1 | |||
| Signal latency | 200 | ns | ADC and DAC latency included |
| Parameters | P, I, D, I cut-off | ||
| PID function 2 | |||
| Signal latency | 200 | ns | ADC and DAC latency included |
| Parameters | P, I, D | ||
| Analog P function | |||
| Bandwidth | 21 MHz (-3 dB, -200° phase) | ||
| Lock-In function | |||
| Modulation frequency | 12 - 781 x 103 | Hz | |
| Pound-Drever-Hall function | |||
| Modulation frequency | 1.56, 3.13, 6.25, 12.5, 25 | MHz | |
| General | Value |
|---|---|
| Supply voltage | ± 15 V |
| Supply current +15 V (typ) | 700 mA |
| Supply current -15 V (typ) | 200 mA |
| Input channels | Resolution (bit) | Sample rate (Hz) | Bandwidth (-3 dB) (Hz) | Range (V) | Impedance (Ohm) | Comment |
|---|---|---|---|---|---|---|
| Main in | 14 | 100 M | 14 M | ± 2.1 | 50 | Input signal at <Main in> has to be between ± 3.5V; it can be shifted with the <Input Offset> and amplified with the PGA |
| Aux in | 14 | 100 M | 15 M | ± 2.1 | 50 | |
| Precise in | 16 | 200 k | 50 k | ± 2.0 | 10 k | |
| DCC Iact | 16 | 100 k | 15 k | ± 13.1 | 40 k | SYS DC 110 backplane |
| DTC Tact | 16 | 100 k | 15 k | ± 13.1 | 40 k | SYS DC 110 backplane |
| AIO 1 in | 16 | 100 k | 15 k | ± 12.5 | 47 k | Normally used as output |
| AIO 2 in | 16 | 100 k | 15 k | ± 12.5 | 47 k | |
| Sum in | 27 M | ± 1.0 | 50 | Bandwidth between <Sum in> and <Main out> |
| Output channels | Resolution (bit) | Sample rate (Hz) | Bandwidth (-3 dB) (Hz) | Range (V) | 50 Ohm driver | Comment |
|---|---|---|---|---|---|---|
| Main out | 14 | 100 M | 19 M | ± 1.0 | Yes | Sum of <Sum in> and Analog P branch |
| Aux out | 14 | 100 M | 19 M | ± 1.0 | Yes | |
| SC 110 out | 21 | 100 k | 18 k | ± 6.5 | No | SYS DC 110 backplane; amplification by 15 with SC110 |
| DCC Iset | 21 | 100 k | 18 k | ± 6.5 | No | SYS DC 110 backplane |
| DTC Tset | 16 | 100 k | 18 k | ± 6.5 | No | SYS DC 110 backplane |
| AIO 1 out | 16 | 100 k | 16 k | ± 6.5 | No | |
| AIO 2 out | 16 | 100 k | 16 k | ± 6.5 | No | Normally used as input |
| Error out | 20 M | ± 1.7 | Yes | Error out = (<Main in> + <Input Offset>) x Gain/2; bandwidth between <Main in> and <Error out> | ||
| TRIG | 0, 2.6 | Yes |
Options & Related Products
Options & Related Products
Related Products:
| PID 110 | LIR 110 | PDD 110 | FALC 110 | DigiLock 110 | LaseLock | Wavelength Meter | Iscan | |
|---|---|---|---|---|---|---|---|---|
| Description / type | Analog PID | Analog Lock-In Regulator | Pound-Drever- Hall Signal Generation | Fast Analog 2-Channel PID | Versatile Digital Locking Solution | Suited for third party lasers | Wavelength meter with PID option | Low finesse etalons as reference with Lock-Electronics |
| Side-of-fringe | • | • | • | • | Not applicable | |||
| Top-of-fringe | With PDD | • | • | With PDD | • | • | ||
| Locking bandwidth* | kHz .. MHz | kHz range | ≈ 45 MHz | ≈ 10 MHz | 1 MHz | < 100 Hz | kHz range | |
| Modulation frequency | 0.6 Hz .. 14 kHz | 20 MHz ** | 17 Hz .. 25 MHz | 33 Hz .. 1 MHz | Not applicable | |||
| Accuracy | Depends on reference (can be very good) | > 10 MHz | 1 MHz (relative) | |||||
| Signal analysis | • | |||||||
| Relock mechanisms | • | • | • | • | • | |||
| Computer control | • | • | • | |||||
| High voltage output | • | • | • | |||||
| High bandwidth output | • | • | ||||||
| Two channel version | • | |||||||
| SYS DC 110 module | • | • | • | • | • | |||
| Stand-alone | • | • | • | |||||
| low budget | high end & preferrable | |||||||
*Estimated bandwidth depends on gain and PID settings **5- 40 MHz versions available
- FALC 110: High bandwidth multi-channel PID for linewidth narrowing
- PDD 110: Pound-Drever-Hall detector for high bandwidth top-of-fringe stabilization
- LaseLock: General purpose, stand-alone locking solution
- PID 110: Flexible PID regulator
- LIR 110: Lock-in Regulator for diode lasers
- Tunable diode lasers, high power diode lasers, and frequency converted diode lasers: These can conveniently be locked with PDD 110
- FPI 100: Fabry-Perot interferometer and detector unit
- Wavelength meters
Technical Drawings
Applications
Applications
- Easy locking for everyone
- Tight laser frequency stabilization
- Laser linewidth reduction
- Laser and spectroscopy transfer function analysis
Application Notes
Download
Download
Brochures
Catalog
Press Release
Demonstration Video
Tutorials
- Part 1 - Introduction (Quicktime Stream)
- Part 2 - Basic locking (Quicktime Stream)
- Part 3 - Advanced locking (Quicktime Stream)
Software
Free software downloads of the latest DigiLock software. For evaluation purposes, the software can be installed and tested without a DigiLock module connected.
- DigiLock Software Version 1.5.5.71 (85 Mb)
- DigiLock Software Readme File
- DigiLock Manual (Software Version 1.5.5.71)
- DigiLock Remote Control Software Rev. 688 (4.4 Mb, no support)
- DigiLock Remote Control Software Readme File
- DigiLock Remote Control Software Manual (Rev. 688)
To sign up for receiving notifications about new DigiLock software releases or to send bug reports or feature requests, please email to digilock (at) toptica.com.
