2502型光電二極管計是專門針對激光二極管模塊（LDM）的生產(chǎn)測試而設(shè)計的，極大增強了吉時利LIV（光-電流-電壓）測試系統(tǒng)的產(chǎn)能。這款產(chǎn)品是與的LDM制造商的密切合作下，針對光纖通信網(wǎng)絡(luò)而研發(fā)的，這款雙通道儀器的特點在于能夠與其他系統(tǒng)元件輕松同步，實現(xiàn)對光功率測量的密切控制。2502具有高速模擬輸出端口，從而在LDM制造過程的光纖校準階段支持LIV測試系統(tǒng)的使用。通過使用緩沖存儲器和吉時利儀器的Trigger Link接口，2502能夠為用戶提供當前激光二極管模塊LIV測試的產(chǎn)能。這些儀器的設(shè)計，極大地滿足了二十四小時生產(chǎn)環(huán)境下連續(xù)工作對可靠性和可重復(fù)性的要求。
雙通道儀表，用于光功率測量
光電探測器電壓偏置性能±100V
1fA～20mA的光電探測器電流測量能力
1fA暗電流測量分辨率
與2500INT積分球配合實用可以直接測量光功率
針對高分辨率光功率反饋的0～10V模擬輸出范圍
高精度、高速的光纖校準方案
提供裝配工藝、最終測試、部件binning和技術(shù)規(guī)范
在激光二極管的發(fā)光區(qū)域內(nèi)實現(xiàn)快速的光纖校準
光纖校準和器件特征分析過程的結(jié)合
每通道具3000點緩沖存儲，支持測試完成后的數(shù)據(jù)傳輸
針對binning和掃描測試操作的數(shù)字I/O和Trigger Link
IEEE-488和RS-232接口
特點 | 優(yōu)勢 |
| 主動溫度控制 | 防止溫度變化可能引起激光二極管主輸出波長發(fā)生變化，導(dǎo)致出現(xiàn)信號重疊和串擾問題。 |
| 50W TEC 控制器 | 比其他低功耗解決方案提供更高的測試速度和更寬的溫度設(shè)定值范圍。 |
| 全數(shù)字 P-I-D 控制 | 提供更高的溫度穩(wěn)定性，并可通過簡單的固件變化輕松升級。 |
| 適用于熱控制環(huán)路的自動調(diào)諧功能 (2510-AT) | 無需反復(fù)試驗即可確定 P、I 和 D 系數(shù)的組合。 |
| 寬溫度設(shè)定值范圍（–50°C 至 +225°C）以及高設(shè)定值分辨率 (±0.001°C) 和穩(wěn)定性 (±0.005°C) | 能夠滿足大部分冷卻光學(xué)元器件和子裝配件生產(chǎn)測試的測試要求。 |
| 兼容于多種溫度傳感器輸入 — 熱敏電阻、RTD 和 IC 傳感器 | 適合于各類激光二極管模塊的溫度傳感器類型。 |
| 交流歐姆測量功能 | 驗證 TEC 器件的完整性。 |
| 適用于熱反饋元件的四線開路/短路引線檢測 | 消除引線電阻測量值誤差，減少假故障或設(shè)備損壞的可能性。 |
型號
| 型號 | 通道 | 電流源/量程 | 電壓源/量程 | 電源 | 測量分辨率（電流/電壓） |
|---|---|---|---|---|---|
| 2510 | 1 | 5A | 10V | 50 W | - |
| 2510-AT | 1 | 5A | 10V | 50 W | - |
| 2502 | 2 | 20mA | 100V | 2 W | 1fA |
| 2520 | 1 | 5A | 10V | 50 W | 700nA / 0.33mV |
Model 2502 photodiode meter is specially designed for the production test of laser diode module, which greatly increases the production capacity of the Kishli Liv (optical-current-voltage) test system. Developed in close collaboration with leading LDM manufacturers for optical fiber communications networks, the dual-channel instrument features easy synchronization with other system components. The close control of optical power measurement .2502 has a high-speed analog output port, which supports the use of LIV test system in the optical fiber calibration phase of the LDM manufacturing process. By using the buffer memory and the Trigger Link interface specific to the Hirschley instrument, the Trigger Link 2502 can provide users with the maximum capacity of the current laser diode module LIV test. The design of these instruments greatly meets the requirements of reliability and repeatability for continuous operation in 24 hours production environment.
Dual channel instrument for optical power measurement;
Voltage bias of photodetector ±100V
The current measurement ability of 1fA~20mA photodetector;
1fA dark current measurement resolution
The optical power can be directly measured with the 2500INT integrating sphere.
Simulation output range of 0 ~ 10V for high-resolution optical power feedback;
High precision, high speed optical fiber calibration scheme;
Provides assembly process, final testing, component binning and technical specifications
Fast optical fiber calibration is realized in the optimal luminous region of laser diode.
The combination of optical fiber calibration and device feature analysis;
Each channel has 3000 points buffer storage to support the data transmission after the completion of the test;
Digital I / O and Trigger Link;
for binning and scan test operations IEEE-488 and RS-232 interface
