External-Cavity Widely Tunable Quantum Cascade Lasers CW-FP-9
External-cavity quantum cascade lasers both narrow the laser linewidth and extend the wavelength tuning range, making them well suited to high-resolution gas-molecule spectroscopy. Spectra-line supplies external-cavity quantum cascade lasers manufactured by ALPES. External-cavity assemblies allow flexible replacement of FP and broadband gain chips for highly flexible configurations, offering clear advantages and potential for TDLAS gas detection.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Main Specifications (Spectral Linewidth) SL [NOTE 1] | typical:1 cm⁻¹; max:2 cm⁻¹ |
| Main Specifications (Gapless tuning range) GTR [NOTE 2] | min:50 cm⁻¹; typical:200 cm⁻¹; max:300 cm⁻¹ |
| Main Specifications (Grating period) GP [NOTE 3] | min:100 mm⁻¹; max:300 mm⁻¹ |
| Main Specifications (Sweep rate) SR [NOTE 4] | min:45 cm⁻¹/s; max:220 cm⁻¹/s |
| Main Specifications (Spectral Accuracy/Repeatability) SA [NOTE 5] | min:0 cm⁻¹; typical:0.5 cm⁻¹; max:2 cm⁻¹ |
| Main Specifications (Maximum peak power) MPP [NOTE 6] | min:40 mW; typical:100 mW; max:400 mW |
| Main Specifications (Average power) P [NOTE 7] | min:1 mW; typical:5 mW; max:20 mW |
| Main Specifications (Power stability) PS | max:5 % |
| Main Specifications (Pulse width) PW [NOTE 8] | min:20 ns; typical:300 ns |
| Main Specifications (Pulse width) PW [NOTE 8] | max:CW |
| Main Specifications (Pulse repetition frequency) PRF [NOTE 9] | typical:0.17 MHz; max:1 MHz |
| Main Specifications (Duty cycle) DC [NOTE 10] | min:0.1 %; typical:5 %; max:100 % |
| Main Specifications (Beam quality) M² | min:1.2; typical:1.5; max:2.0 |
| Main Specifications (Beam diameter) D | max:4 mm |
| Main Specifications (Beam divergence) Div | max:6 mrad |
| Main Specifications (Pointing stability) PS | max:6 mrad |
| Main Specifications (Operation temperature) Top [NOTE 11] | min:0 °C; typical:20 °C; max:30 °C |
| Cooling [NOTE 12] | Passive; Water |
| Main Specifications (TEC current) TECI | max:5 A |
| Main Specifications (TEC voltage) TECV | max:6 V |
| Dimensions LxWxH [LxWxH；NOTE 13] | 308 mm³ × 220 mm³ × 100 mm³ |
| Wavelengths | 1070-1120 cm-1 |
| Average Power at the Optimum Frequency | >7 mW |
Key Features
Datasheet
Supplier Information
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