1535nm Er Glass Lasers have been used in ranging and radar. We use Er,Yb:Phosphate glass as laser gain medium to get 1535-1540nm CW laser,and use Co:Spinel as Passive Q-Switch Crystal to get pulsed laser. In addition to using isolated crystals, we also used a bonded crystal solution in the development of the 1535nm erbium glass laser.
Four models of 1535nm Er glass lasers supplied in mature quantities: CL1535-100μJ-SL001: 100uj, 20Hz; CL1535-200μJ-SL002: 200uj,10Hz; CL1535-300μJ-SL003: 300uj,10Hz; CL1535-40μJ-SL004: 100uj,1000Hz;
Three models of Er glass lasers material modules supplied in mature quantities: CLR15-200-M4: 200uj,10Hz; CLR15-260-M4: 260uj,10Hz; CLR15-300-M4: 300uj,10Hz;
Theotry
Er glass gain medium
Er,Yb:glass is a three-level system, and the stimulated emission of 4I13/2→4I15/2 of Er3+ produces a 1535nm human eye safety laser.
Co Spinel Q-Switch
Co:Spinel is an efficient passive q switching material in lasers emitting from 1200 to 1600 nm. This crystal has a high absorption cross section(3.5×10 – 19 cm2) which can make Q-switch of Er,Yb: glass laser work without intracavity focusing both with flash lamp and diode-laser pumping.
1535nm Er Glass EyeSafe Laser
| Model | CL1535-100μJ-SL001 | CL1535-200μJ-SL002 | CL1535-300μJ-SL003 | CL1535-40μJ-SL004 |
| Wavelength (nm) | 1535 | 1535 | 1535 | 1535 |
| Single Pulse Energy (μJ) | 100 | 200 | 300 | 40 |
| Pulse Width (ns) | 6 | 4.5 | 6 | 5 |
| Beam Divergence Angle (mrad) | ＜12 | ＜12 | ＜10 | ＜12 |
| Repetition Frequency (Hz) | 20 | 10 | 10 | 1K |
| Life (Shots) | ＞2×108 | ＞2×108 | ＞2×108 | ＞2×108 |
| Cooling Requirements | No refrigeration required | |||
| Weight (g) | 6 | 9 | 9 | 6 |
| Size (mm) | 21×8×7 | 25×8×7 | 25×8×7 | 21×8×7 |
| Working Temperature (℃) | -40～65 | -40～65 | -40～65 | -40～65 |
| Storage Temperature (℃) | -50～90 | -50～90 | -50～90 | -50～90 |
- Based on Er: glass passive Q-switching technology
- Eye safety
- Extremely light weight
- The smallest package size of its kind in the world
- Wide operating temperature range
- Eye safety laser ranging
1535nm Er Glass EyeSafe Laser Material Module
| Model | C LR15-200-M4 | C LR15-260-M4 | C LR15-300-M4 |
| Output energy (uJ) | 200 | 260 | 300 |
| Wavelength (nm) | 1535 | ||
| Pulse width (ns) | 4.5-5.1 | ||
| Repetition Rate (Hz) | 1-30 | ||
| Full divergence angle (mrad) | 8.4-12 | ||
| Size of pump light (um) | 200-300 | ||
| Wavelength of pump light (nm) | 940 | ||
| Power of pump light (W) | 8-12 | ||
| Build up time (ms) | 1.7 | ||
| Storage temperature range (℃) | -40~65 | ||
| Working temperature range (℃) | -55~70 | ||
- Near-Infrared, eye safe band
- Easy integrating,and shorten developing period
- Good Stability and Tolerance performance
- High energy efficiency
- Wide output energy range
- Small divergence angle: <12 mrad
- Laser ranging
- Radar
- Diode Pumped Solid- State Laser, DPSSL
